Matter In Our Surroundings Questions With Answers Class 9
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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!
- 1.
Everything in this universe is made up of material is called
- A.
Matter
- B.
Material
- C.
Particles
- D.
None Of These
Correct Answer
C. ParticlesExplanation
Particles are tiny units of matter that make up everything in the universe. They can be atoms, ions, or subatomic particles. These particles combine to form different types of matter, such as solids, liquids, and gases. Therefore, the correct answer is "Particles" because it accurately describes the building blocks of all material in the universe.Rate this question:
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- 2.
Which of the following belong to matter?
- A.
Clouds
- B.
Stars
- C.
Stones
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
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.Rate this question:
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- 3.
Matter have
- A.
Mass
- B.
Volume
- C.
Both of these
- D.
None of these
Correct Answer
C. Both of theseExplanation
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.Rate this question:
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- 4.
In how many types matter is classified
- A.
4
- B.
5
- C.
6
- D.
7
Correct Answer
B. 5Explanation
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.Rate this question:
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- 5.
SI unit of mass is
- A.
Gram
- B.
Decagram
- C.
Kilogram
- D.
Milligram
Correct Answer
A. GramExplanation
The SI unit of mass is the gram. It is a metric unit of measurement commonly used for small masses. The other options, decagram, kilogram, and milligram, are also metric units of mass, but the gram is the base unit in the metric system. It is equal to one thousandth of a kilogram and is commonly used for measuring the mass of small objects or substances.Rate this question:
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- 6.
SI unit of volume is
- A.
Cm cube
- B.
M cube
- C.
M square
- D.
Cm square
Correct Answer
B. M cubeExplanation
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.Rate this question:
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- 7.
1 ml =
- A.
1 cm 3
- B.
10 cm3
- C.
1 m3
- D.
10 m3
Correct Answer
A. 1 cm 3Explanation
The correct answer is 1 cm3. This is because 1 milliliter (ml) is equal to 1 cubic centimeter (cm3).Rate this question:
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- 8.
1 L = _________ dm3
- A.
1
- B.
10
- C.
100
- D.
0.1
Correct Answer
A. 1Explanation
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.Rate this question:
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- 9.
1 L = _____ ml
- A.
10
- B.
100
- C.
1000
- D.
0.01
Correct Answer
C. 1000Explanation
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.Rate this question:
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- 10.
The particles of matter are very
- A.
Small
- B.
Large
- C.
Medium
- D.
None of these
Correct Answer
A. SmallExplanation
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.Rate this question:
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- 11.
As temperature rises, particles move
- A.
Faster
- B.
Slower
- C.
At same rate
- D.
None of these
Correct Answer
A. FasterExplanation
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.Rate this question:
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- 12.
With increase in temperature the kinetic energy of the particles also
- A.
Increases
- B.
Decreases
- C.
Same
- D.
None of these
Correct Answer
A. IncreasesExplanation
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".Rate this question:
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- 13.
Particles of matter are continuously moving, then they posses which energy?
- A.
Potential
- B.
Kinetic
- C.
Electric
- D.
None of these
Correct Answer
B. KineticExplanation
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.Rate this question:
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- 14.
Intermixing of particles of two types of matter on their own is called
- A.
Suspension
- B.
Diffusion
- C.
Collodial
- D.
None of these
Correct Answer
B. DiffusionExplanation
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.Rate this question:
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- 15.
How diffusion becomes faster?
- A.
On heating the particles
- B.
By cooling
- C.
By adding same solution
- D.
None of these
Correct Answer
A. On heating the particlesExplanation
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.Rate this question:
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- 16.
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 ?
- A.
Because lower temperature acquires high kinetic energy
- B.
Because lower temperature acquires low kinetic energy
- C.
Because higher temperature acquires low kinetic energy
- D.
Because higher temperature acquires high kinetic energy
Correct Answer
D. Because higher temperature acquires high kinetic energyExplanation
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.Rate this question:
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- 17.
A driver is able to cut through water in a swimming pool. Which property of matter does this observation show?
- A.
Due to strong force of attraction between water and molecules
- B.
Due to weak force of attraction between water and molecules
- C.
Due to weak force of attraction of human
- D.
Due to strong force of attraction of human
Correct Answer
B. Due to weak force of attraction between water and moleculesExplanation
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.Rate this question:
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- 18.
What are the characteristics of the particles of matter?
- A.
Presence of intermolecular spaces
- B.
Particles are in constant motion
- C.
They attract each other.
- D.
All of these
Correct Answer
D. All of theseExplanation
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.Rate this question:
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- 19.
Why does a cooler cool better on a hot dry day?
- 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.
- B.
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.
- C.
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.
- D.
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.Rate this question:
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- 20.
How does the water kept in an earthern pot become cool during summer?
- A.
An earthern pot is porous in nature. These tiny pores do not facilitate penetration of water and hence their evaporation from pot surface.
- B.
An earthern pot is porous in nature. These tiny pores facilitate penetration of water and hence their evaporation from pot surface.
- C.
An earthern pot is porous in nature. These tiny pores facilitate penetration of air and hence their evaporation from pot surface.
- D.
None of these
Correct Answer
B. 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.Rate this question:
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- 21.
Why are we able to sip hot tea or milk faster from a saucer rather than a cup?
- A.
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.
- B.
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.
- C.
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.
- D.
None of these
Correct Answer
C. 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.Rate this question:
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- 22.
What are the different states of matter?
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
All of these
Correct Answer
D. All of theseExplanation
The different states of matter include solids, liquids, and gases. Solids have a fixed shape and volume, while liquids have a fixed volume but can change shape. Gases have neither a fixed shape nor volume and can expand to fill any container. Therefore, the correct answer is "All of these" because it includes all three states of matter.Rate this question:
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- 23.
We can observe that soilds have
- A.
Definite shape
- B.
Distinct boundaries
- C.
Fixed Volume
- D.
All of these
Correct Answer
D. All of theseExplanation
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.Rate this question:
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- 24.
_____ have a tendency to maintain their when subjected to outside force.
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
All of the above
Correct Answer
A. SolidsExplanation
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.Rate this question:
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- 25.
_____ may break under force but it is difficult to change their shape, so they are right.
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Plasma
Correct Answer
A. SolidsExplanation
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.Rate this question:
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- 26.
Compressibility of solids is
- A.
Low
- B.
Very low
- C.
High
- D.
Very high
Correct Answer
B. Very lowExplanation
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.Rate this question:
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- 27.
_____have no fixed shape but have a fixed volume.
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Plasma
Correct Answer
B. LiquidsExplanation
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.Rate this question:
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- 28.
_______ flow and change shape, so they are not rigid but can be called fluids.
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Plasma
Correct Answer
B. LiquidsExplanation
Liquids flow and change shape, making them not rigid like solids. This property allows liquids to be called fluids.Rate this question:
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- 29.
Solids, liquids and gases can diffuse into
- A.
Solids
- B.
Liquids
- C.
Gases
- D.
Plasma
Correct Answer
B. LiquidsExplanation
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.Rate this question:
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- 30.
Which gases are essential for the survival of aquatic animals and plants?
- A.
Oxygen and hydrogen
- B.
Nitrogen and carbon dioxide
- C.
Oxygen and nitrogen
- D.
Oxygen and carbon dioxide
Correct Answer
D. Oxygen and carbon dioxideExplanation
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.Rate this question:
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- 31.
The rate of diffusion of liquids is higher than that of solids. Why?
- A.
Particles move freely
- B.
Have greater space between each other as compared to particles in solid state.
- C.
Both of these
- D.
None of these
Correct Answer
C. Both of theseExplanation
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.Rate this question:
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