Basic Chemistry 1st Year High School
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Which are the three states of matter?
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Elements, molecules and atoms.
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Solid, liquid and gas.
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Iron, water and oxygen.
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Protons,neurons and puppets.
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This is a quiz about Basic Chemistry for High School students (1st year)
P. S I AM A HIGH SCHOOL STUDENT
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- 2.
What is melting?
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When a solid turns to a liquid.
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When a liquid turns to a solid.
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When a liquid turns to a gas.
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When a solid turns to a gas.
Correct Answer
A. When a solid turns to a liquid.Explanation
Melting is the process in which a solid substance changes into a liquid state. This occurs when the temperature of the solid is raised above its melting point, causing the particles in the solid to gain enough energy to break their bonds and move more freely. As a result, the solid structure breaks down, and the substance transitions into a liquid form.Rate this question:
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- 3.
What is Freezing?
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When a solid turns to a liquid.
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When a liquid turns to a solid.
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When a liquid turns to a gas.
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When a gas turns to a liquid.
Correct Answer
A. When a liquid turns to a solid.Explanation
Freezing is the process in which a liquid changes its state and becomes a solid. This occurs when the temperature of the liquid is lowered below its freezing point, causing the particles to slow down and arrange themselves into a fixed, orderly structure. As a result, the liquid loses its ability to flow and takes on a rigid form.Rate this question:
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- 4.
What is Matter?
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Matter is an Element
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Matter is anything that has mass and occupies space
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Matter is anything that costs money
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Matter is anything that has to do with chemistry
Correct Answer
A. Matter is anything that has mass and occupies spaceExplanation
The correct answer is that matter is anything that has mass and occupies space. This definition aligns with the scientific understanding of matter, which includes both tangible objects and intangible substances like gases and liquids. By stating that matter has mass and occupies space, it encompasses all physical entities and excludes abstract concepts like cost or chemistry, which are not inherent properties of matter.Rate this question:
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- 5.
What is evaporation?
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When a solid turns to a liquid.
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When a liquid turns to a solid.
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When a liquid turns to a gas.
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When a solid turns to a gas.
Correct Answer
A. When a liquid turns to a gas.Explanation
Evaporation is the process in which a liquid turns into a gas. This occurs when the molecules of a liquid gain enough energy to overcome the forces holding them together and escape into the surrounding environment. Evaporation is a phase change that happens at the surface of a liquid and does not require the entire substance to reach its boiling point. It is a key component of the water cycle and plays a crucial role in weather patterns and the distribution of water on Earth.Rate this question:
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- 6.
A solid has:
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No fixed shape of volume.
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A volume, but not a fixed shape.
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A fixed volume and a fixed shape.
Correct Answer
A. A fixed volume and a fixed shape.Explanation
The correct answer is "A fixed volume and a fixed shape." This means that the solid has a specific amount of space that it occupies and it maintains a consistent and definite shape. Unlike a liquid or a gas, which can change shape and volume, a solid retains its shape and size. This is because the particles in a solid are tightly packed and have strong intermolecular forces that hold them in a fixed arrangement. Therefore, the solid maintains both a fixed volume and a fixed shape.Rate this question:
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- 7.
What are elements?
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Elements are water,earth,fire and air.
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Elements are substances which make up the things we use in everyday life.
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Elements are little robots that can dance.
Correct Answer
A. Elements are substances which make up the things we use in everyday life.Explanation
The correct answer is "Elements are substances which make up the things we use in everyday life." This answer accurately defines elements as the basic substances that compose the various objects and materials we encounter in our daily lives. It implies that elements are not limited to the four examples given (water, earth, fire, and air), but rather encompass a wide range of substances found in nature and utilized by humans.Rate this question:
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- 8.
A liquid has:
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No fixed shape of volume.
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A volume, but not a fixed shape.
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A fixed volume and a fixed shape.
Correct Answer
A. A volume, but not a fixed shape.Explanation
The answer "A volume, but not a fixed shape" accurately describes the characteristics of a liquid. Unlike solids, liquids do not have a fixed shape and can take the shape of their container. However, they do have a definite volume, meaning they occupy a specific amount of space. This is why liquids can be poured and easily fill the shape of their container.Rate this question:
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- 9.
What are atoms made up of?
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Protons and neutrons.
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Protons and electrons.
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Neutrons and electrons.
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Protons, neutrons and electrons.
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Elements and molecules.
Correct Answer
A. Protons, neutrons and electrons.Explanation
Atoms are made up of protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. Protons and neutrons are located in the nucleus of the atom, while electrons orbit around the nucleus in energy levels. This combination of protons, neutrons, and electrons determines the properties and behavior of different elements.Rate this question:
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- 10.
What is sublimation?
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A substance which changes from a solid to a liquid.
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A substance which changes from a solid to a gas skipping the liquid phase..
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A substance which changes from a solid to a lemonade.
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A substance which changes from a solid to a pendrive.
Correct Answer
A. A substance which changes from a solid to a gas skipping the liquid phase..Explanation
Sublimation is the process in which a substance changes directly from a solid state to a gas state without going through the liquid phase. This occurs when the temperature and pressure conditions are such that the solid particles have enough energy to overcome the attractive forces and enter the gas phase. This phenomenon is commonly observed in substances like dry ice (solid carbon dioxide) and mothballs (solid naphthalene).Rate this question:
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- 11.
This experiment goes to chow that particles exist and that they do not move.
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True
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False
Correct Answer
A. FalseExplanation
The given statement is incorrect. The experiment does not prove that particles exist and do not move. In fact, it is well-established in the field of physics that particles do exist and they do move. This is supported by numerous experiments and scientific theories, such as quantum mechanics and the kinetic theory of gases. Therefore, the correct answer is False.Rate this question:
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- 12.
Brownian motion is the movement of visible particles caused by smaller, invisible particles.
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True
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False
Correct Answer
A. TrueExplanation
Brownian motion refers to the random movement of visible particles, such as dust or pollen, which is caused by the constant collisions with smaller, invisible particles like molecules or atoms in a fluid medium. This phenomenon was first observed by the botanist Robert Brown in 1827 and has since been explained by the kinetic theory of matter. Therefore, the statement "Brownian motion is the movement of visible particles caused by smaller, invisible particles" is true.Rate this question:
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- 13.
A gas has:
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No fixed shape of volume.
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A volume, but not a fixed shape.
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A fixed volume and a fixed shape.
Correct Answer
A. No fixed shape of volume.Explanation
The answer "No fixed shape of volume" is correct because gases do not have a fixed shape, meaning they can expand to fill the container they are in. However, they do have a volume, as they occupy space. Unlike solids and liquids, gases are not confined to a specific shape and can move freely. This is due to the particles in a gas being far apart and having high kinetic energy, allowing them to move around and take the shape of their container.Rate this question:
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- 14.
What is condensation?
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When a solid turns to a liquid.
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When a liquid turns to a solid.
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When a liquid turns to a gas.
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When a gas turns to a liquid.
Correct Answer
A. When a gas turns to a liquid.Explanation
Condensation is the process in which a gas changes into a liquid state. This occurs when the temperature of a gas decreases, causing the gas particles to lose energy and slow down. As a result, the gas particles come closer together and form liquid droplets. This can be observed, for example, when water vapor in the air condenses to form dew on a cold surface or when steam from boiling water condenses on a mirror.Rate this question:
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- 15.
What are Atoms ?(more than one answer can be correct)
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Atoms are particles that join up to form molecules which make up molecules.
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Atoms are the substances that are n the periodic table of elements.
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With the help of atoms, molecules are made and elements are formed.
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Atoms are the simplest "building blocks" of matter.
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All of the Above.
Correct Answer
A. All of the Above.Explanation
Atoms are the smallest units of matter that cannot be further divided or broken down by chemical means. They are the fundamental building blocks of all substances and are responsible for the formation of molecules and elements. Atoms combine together to form molecules, which in turn make up matter. Additionally, atoms are the simplest units of matter and are found in the periodic table of elements.Rate this question:
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- 16.
The keinetic theory of matter states that: (more than one answer is correct)
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All matter is made up of tiny,moving particles, invisible to the naked eye.
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Particles never move.
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Different substances have different types of particles.
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They always have the same size.
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Particles move or vibrate, it depends on which state of matter they are in. Also, the higher the temperature, the faster the movement.
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Heavier particles move slower than lighter particles.
Correct Answer(s)
A. All matter is made up of tiny,moving particles, invisible to the naked eye.
A. Different substances have different types of particles.
A. Particles move or vibrate, it depends on which state of matter they are in. Also, the higher the temperature, the faster the movement.
A. Heavier particles move slower than lighter particles.Explanation
The kinetic theory of matter states that all matter is composed of tiny, moving particles that cannot be seen with the naked eye. This explains why matter can be observed as solid, liquid, or gas, as the particles either move or vibrate depending on their state. Additionally, different substances have different types of particles, and the movement of these particles increases with higher temperatures. Furthermore, the theory suggests that heavier particles move slower than lighter particles.Rate this question:
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Jan 15, 2025Quiz Edited by
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Nov 13, 2011Quiz Created by
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