Matter In Our Surroundings Questions With Answers Class 9

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  • 1/31 Questions

    What are the different states of matter?

    • Solids
    • Liquids
    • Gases
    • All of these
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About This Quiz

Are you from 9th class standard and looking for practice test questions with answers related to chapter 'Matter in our surroundings'? Stop your hunt here as you've reached the right place. Here, you'll get a chance to improve as well as your knowledge about Matter and its properties. A Matter is anything that has mass and takes up space. Press the 'Start' button and play the quiz now. Best of luck, dear!

Matter In Our Surroundings Questions With Answers Class 9 - Quiz

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  • 2. 

    The particles of matter are very

    • Small

    • Large

    • Medium

    • None of these

    Correct Answer
    A. Small
    Explanation
    The correct answer is "Small" because particles of matter refer to atoms, which are the smallest units of matter. Atoms are composed of subatomic particles such as protons, neutrons, and electrons. These particles are incredibly tiny and cannot be seen with the naked eye. Therefore, the option "Small" accurately describes the size of particles of matter.

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  • 3. 

    Particles of matter are continuously moving, then they posses which energy?

    • Potential

    • Kinetic

    • Electric

    • None of these

    Correct Answer
    A. Kinetic
    Explanation
    Particles of matter are continuously moving, indicating that they have kinetic energy. Kinetic energy is the energy possessed by an object due to its motion. Since the particles are in constant motion, they possess kinetic energy. Potential energy refers to the energy stored in an object due to its position or state, and electric energy is related to the flow of electric charges. Therefore, the correct answer in this case is kinetic energy.

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  • 4. 

    Which of the following belong to matter?

    • Clouds

    • Stars

    • Stones

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Clouds, stars, and stones all belong to matter because matter is anything that has mass and occupies space. Clouds are made up of water droplets or ice crystals, which have mass and occupy space. Stars are massive balls of gas, mainly hydrogen and helium, which also have mass and occupy space. Stones are solid objects made up of minerals or rocks, which again have mass and occupy space. Therefore, all of the above options belong to matter.

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  • 5. 

    Matter have 

    • Mass 

    • Volume

    • Both of these

    • None of these

    Correct Answer
    A. Both of these
    Explanation
    The correct answer is "Both of these" because matter refers to anything that has mass and takes up space. Mass is a measure of the amount of matter in an object, while volume is a measure of the space occupied by an object. Therefore, both mass and volume are characteristics of matter.

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  • 6. 

    As temperature rises, particles move

    • Faster

    • Slower 

    • At same rate

    • None of these

    Correct Answer
    A. Faster
    Explanation
    The correct answer is "Faster" because according to the kinetic theory of matter, as temperature increases, the average kinetic energy of particles also increases. This increase in kinetic energy leads to faster movement of particles. Therefore, as the temperature rises, particles move faster.

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  • 7. 

    With increase in temperature the kinetic energy of the particles also

    • Increases

    • Decreases

    • Same

    • None of these

    Correct Answer
    A. Increases
    Explanation
    As temperature increases, the kinetic energy of particles also increases. This is because temperature is a measure of the average kinetic energy of particles in a substance. When the temperature rises, the particles gain more energy and move faster, resulting in an increase in their kinetic energy. Therefore, the correct answer is "Increases".

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  • 8. 

    _____have no fixed shape but have a fixed volume.

    • Solids

    • Liquids 

    • Gases

    • Plasma

    Correct Answer
    A. Liquids 
    Explanation
    Liquids have no fixed shape but have a fixed volume because the particles in a liquid are close together but not arranged in a regular pattern like in solids. This allows liquids to flow and take the shape of their container. However, the intermolecular forces between the particles are strong enough to keep the volume constant.

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  • 9. 

    We can observe that soilds have

    • Definite shape

    • Distinct boundaries

    • Fixed Volume

    • All of these

    Correct Answer
    A. All of these
    Explanation
    The statement "All of these" is the correct answer because it accurately summarizes the characteristics of solids. Solids have a definite shape, meaning they maintain a fixed and specific form. They also have distinct boundaries, which means they have a clear and well-defined outer surface. Additionally, solids have a fixed volume, meaning they occupy a specific amount of space and do not easily compress or expand. Therefore, all of these characteristics apply to solids.

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  • 10. 

    How diffusion becomes faster?

    • On heating the particles

    • By cooling

    • By adding same solution

    • None of these

    Correct Answer
    A. On heating the particles
    Explanation
    When particles are heated, they gain kinetic energy and move faster. This increased movement leads to a higher rate of diffusion. As the particles move more rapidly, they collide with each other and with the surrounding medium more frequently, allowing for faster diffusion of substances. Therefore, heating the particles is a way to increase the speed of diffusion.

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  • 11. 

    Intermixing of particles of two types of matter on their own is called

    • Suspension

    • Diffusion

    • Collodial

    • None of these

    Correct Answer
    A. Diffusion
    Explanation
    Diffusion refers to the process of intermixing particles of two types of matter on their own. It occurs when particles move from an area of high concentration to an area of low concentration, resulting in a uniform distribution. In diffusion, there is no external force or energy required for the mixing to happen. This process is commonly observed in various natural phenomena, such as the spreading of odor in a room or the mixing of gases in the atmosphere.

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  • 12. 

    What are the characteristics of the particles of matter?

    • Presence of intermolecular spaces

    • Particles are in constant motion

    • They attract each other.

    • All of these 

    Correct Answer
    A. All of these 
    Explanation
    The characteristics of particles of matter include the presence of intermolecular spaces, constant motion, and attraction to each other. This means that particles are not tightly packed together, but have space between them. They are also constantly moving, which is known as Brownian motion. Additionally, particles are attracted to each other through intermolecular forces, such as van der Waals forces or hydrogen bonding. Therefore, all of these statements accurately describe the characteristics of particles of matter.

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  • 13. 

    1 L = _____ ml

    • 10

    • 100

    • 1000

    • 0.01

    Correct Answer
    A. 1000
    Explanation
    1 liter is equal to 1000 milliliters. This is a standard conversion in the metric system, where the prefix "milli" represents one thousandth, and the prefix "kilo" represents one thousand. Therefore, when converting from liters to milliliters, we multiply the number of liters by 1000 to obtain the equivalent volume in milliliters.

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  • 14. 

    _____ may break under force but it is difficult to change their shape, so they are right.

    • Solids

    • Liquids

    • Gases

    • Plasma

    Correct Answer
    A. Solids
    Explanation
    Solids have a fixed shape and volume, which means that they are difficult to change their shape. However, they can break under force, indicating that they are not completely rigid. Therefore, solids fit the description given in the statement and are the correct answer.

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  • 15. 

    Everything in this universe is made up of material is called 

    • Matter

    • Material

    • Particles

    • None Of These

    Correct Answer
    A. Matter
    Explanation
    Matter refers to anything that occupies space and has mass, comprising fundamental particles such as atoms and molecules. It encompasses everything from solid objects to gases and liquids. Matter is fundamental to the physical universe, forming the basis of all materials and substances we encounter. Understanding matter involves studying its properties, states (solid, liquid, gas), and interactions at microscopic and macroscopic levels, crucial for fields like physics, chemistry, and biology.

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  • 16. 

    _______ flow and change shape, so they are not rigid but can be called fluids.

    • Solids

    • Liquids 

    • Gases

    • Plasma

    Correct Answer
    A. Liquids 
    Explanation
    Liquids flow and change shape, making them not rigid like solids. This property allows liquids to be called fluids.

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  • 17. 

    In how many types matter is classified

    • 4

    • 5

    • 6

    • 7

    Correct Answer
    A. 5
    Explanation
    Matter is classified into five types: solids, liquids, gases, plasmas, and Bose-Einstein condensates. These classifications are based on the physical properties and behavior of different substances. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, gases have neither a fixed shape nor volume, plasmas are ionized gases with free-moving charged particles, and Bose-Einstein condensates occur at extremely low temperatures where particles behave as a single entity.

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  • 18. 

    Why does a cooler cool better on a hot dry day?

    • It is because the temperature is high and it is less humid on a hot dry day which enables better evaporation. High levels of this evaporation provides better cooling.

    • It is because the temperature is low and it is high humid on a hot dry day which enables better evaporation. High levels of this evaporation provides better cooling.

    • It is because the temperature is low and it is less humid on a hot dry day which enables better evaporation. Low levels of this evaporation provides better cooling.

    • None of these

    Correct Answer
    A. It is because the temperature is high and it is less humid on a hot dry day which enables better evaporation. High levels of this evaporation provides better cooling.
    Explanation
    On a hot dry day, the air has low humidity, which means it contains less moisture. This low humidity allows for better evaporation because the air has a higher capacity to absorb moisture. When water evaporates, it absorbs heat from its surroundings, resulting in a cooling effect. Therefore, the high temperature combined with low humidity enables better evaporation, leading to better cooling in a cooler.

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  • 19. 

    Why are we able to sip hot tea or milk faster from a saucer rather than a cup?

    • A saucer has a smaller surface area than a cup which promotes slower evaporation hence the tea or milk in a saucer cools down faster.

    • A saucer has a smaller surface area than a cup which promotes Quicker evaporation hence the tea or milk in a saucer cools down faster.

    • A saucer has a larger surface area than a cup which promotes quicker evaporation hence the tea or milk in a saucer cools down faster.

    • None of these

    Correct Answer
    A. A saucer has a larger surface area than a cup which promotes quicker evaporation hence the tea or milk in a saucer cools down faster.
    Explanation
    A saucer has a larger surface area than a cup, which allows for more exposure to the surrounding air. This increased surface area promotes quicker evaporation of the hot tea or milk in the saucer, causing it to cool down faster compared to a cup with a smaller surface area.

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  • 20. 

    _____ have  a tendency to maintain their when subjected to outside force.

    • Solids

    • Liquids

    • Gases

    • All of the above

    Correct Answer
    A. Solids
    Explanation
    Solids have a tendency to maintain their shape when subjected to an outside force because the particles in solids are closely packed together and have strong intermolecular forces. These forces hold the particles in a fixed position, allowing solids to resist deformation and maintain their shape. In contrast, liquids and gases do not have a fixed shape and can easily change their shape when subjected to an outside force. Therefore, solids are the only option that fits the given statement.

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  • 21. 

    Compressibility of solids is 

    • Low

    • Very low

    • High

    • Very high

    Correct Answer
    A. Very low
    Explanation
    The compressibility of solids is very low because solids have a rigid and closely packed arrangement of particles. The intermolecular forces between these particles are strong, preventing them from being easily compressed or squeezed together. The rigid structure of solids allows them to maintain their shape and volume even under high pressure.

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  • 22. 

    SI unit of mass is

    • Gram

    • Decagram

    • Kilogram

    • Milligram

    Correct Answer
    A. Kilogram
    Explanation
    The SI unit of mass is the kilogram (kg).
    Explanation:
    SI Unit: The International System of Units (SI) is the modern form of the metric system and the world's most widely used system of measurement.
    Kilogram (kg): The kilogram is the base unit of mass in the SI system and is defined by a physical constant.

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  • 23. 

    A driver is able to cut through water in a swimming pool. Which property of matter does this observation show?

    • Due to strong force of attraction between water and molecules

    • Due to weak force of attraction between water and molecules

    • Due to weak force of attraction of human

    • Due to strong force of attraction of human

    Correct Answer
    A. Due to weak force of attraction between water and molecules
    Explanation
    This observation shows that the driver is able to cut through water in a swimming pool due to the weak force of attraction between water molecules. This weak force of attraction allows the driver to move through the spaces between the molecules, causing the water to part and allowing the driver to pass through.

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  • 24. 

    The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close. Why ?

    • Because lower temperature acquires high kinetic energy

    • Because lower temperature acquires  low kinetic energy

    • Because higher temperature acquires low kinetic energy

    • Because higher temperature acquires high kinetic energy

    Correct Answer
    A. Because higher temperature acquires high kinetic energy
    Explanation
    The explanation for the given answer is that at higher temperatures, the particles of the food have more kinetic energy. This means that they are moving faster and colliding with each other more frequently. As a result, more volatile compounds are released from the food, creating a stronger smell that can travel further. In contrast, at lower temperatures, the particles have less kinetic energy and move slower, resulting in fewer collisions and less release of volatile compounds. Therefore, the smell of hot sizzling food can reach you from a greater distance compared to the smell of cold food.

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  • 25. 

    Which gases are essential for the survival of aquatic animals and plants?

    • Oxygen and hydrogen

    • Nitrogen and carbon dioxide

    • Oxygen and nitrogen

    • Oxygen and carbon dioxide

    Correct Answer
    A. Oxygen and carbon dioxide
    Explanation
    Aquatic animals and plants require oxygen for respiration, which is essential for their survival. Oxygen is needed for the breakdown of food molecules to release energy. Carbon dioxide is also necessary for aquatic plants as they use it during photosynthesis to produce glucose and oxygen. Therefore, the correct answer is oxygen and carbon dioxide.

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  • 26. 

    SI unit of volume is 

    • Cm cube

    • M cube

    • M square

    • Cm square

    Correct Answer
    A. M cube
    Explanation
    The SI unit of volume is cubic meters (m³). Volume is a measure of the amount of space occupied by an object or substance, and it is expressed in cubic units. The cubic meter is the standard unit of volume in the International System of Units (SI), which is used in scientific and everyday measurements around the world. It represents the volume of a cube with sides of one meter in length.

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  • 27. 

    1 ml =

    • 1 cm 3

    • 10 cm3

    • 1 m3

    • 10 m3

    Correct Answer
    A. 1 cm 3
    Explanation
    The correct answer is 1 cm3. This is because 1 milliliter (ml) is equal to 1 cubic centimeter (cm3).

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  • 28. 

    How does the water kept in an earthern pot become cool during summer?

    • An earthern pot is porous in nature. These tiny pores do not facilitate penetration of water and hence their evaporation from pot surface.

    • An earthern pot is porous in nature. These tiny pores facilitate penetration of water and hence their evaporation from pot surface.

    • An earthern pot is porous in nature. These tiny pores  facilitate penetration of air and hence their evaporation from pot surface.

    • None of these

    Correct Answer
    A. An earthern pot is porous in nature. These tiny pores facilitate penetration of water and hence their evaporation from pot surface.
    Explanation
    The correct answer explains that an earthen pot is porous in nature, meaning it has tiny pores. These pores allow water to penetrate into the pot and then evaporate from the surface. This evaporation process leads to the cooling effect of the water kept in the pot during summer.

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  • 29. 

    The rate of diffusion of liquids is higher than that of solids. Why?

    • Particles move freely

    • Have greater space between each other as compared to particles in solid state.

    • Both of these

    • None of these

    Correct Answer
    A. Both of these
    Explanation
    The rate of diffusion of liquids is higher than that of solids because particles in liquids move freely and have greater space between each other compared to particles in the solid state. This allows the particles in liquids to move more easily and spread out, leading to a faster rate of diffusion.

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  • 30. 

    1 L = _________ dm3

    • 1

    • 10

    • 100

    • 0.1

    Correct Answer
    A. 1
    Explanation
    The question is asking for the conversion of liters to cubic decimeters. Since 1 liter is equal to 1 cubic decimeter, the correct answer is 1.

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  • 31. 

    Solids, liquids and gases can diffuse into 

    • Solids

    • Liquids

    • Gases

    • Plasma

    Correct Answer
    A. Liquids
    Explanation
    Liquids can diffuse into solids, liquids, gases, and plasma. Diffusion is the process by which particles move from an area of higher concentration to an area of lower concentration. In the case of liquids, the molecules are able to move and spread out, allowing them to mix with other substances. This can happen when a liquid is poured onto a solid, when two liquids are mixed together, or when a liquid is exposed to a gas or plasma. Therefore, liquids have the ability to diffuse into other states of matter.

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  • Jul 16, 2024
    Quiz Edited by
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  • Apr 21, 2022
    Quiz Created by
    Catherine Halcomb
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