Q. What happens to the volume of a gas when it is compressed? (2022)
A.
It increases
B.
It decreases
C.
It remains the same
D.
It becomes solid
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Solution
When a gas is compressed, the volume decreases because the particles are forced closer together.
Correct Answer:
B
— It decreases
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Q. What is the main difference between a gas and a plasma?
A.
Density
B.
Temperature
C.
Ionization
D.
Volume
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Solution
Plasma is ionized gas, meaning it has free electrons and ions, while gas does not.
Correct Answer:
C
— Ionization
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Q. What is the main difference between a liquid and a gas?
A.
Shape
B.
Volume
C.
Density
D.
All of the above
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Solution
Liquids have a definite volume and take the shape of their container, while gases have neither a definite shape nor volume.
Correct Answer:
D
— All of the above
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Q. What is the main reason that gases fill their containers completely? (2023)
A.
Particles are tightly packed
B.
Particles are in fixed positions
C.
Particles move freely and rapidly
D.
Particles have high density
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Solution
Gases fill their containers completely because their particles move freely and rapidly, spreading out to occupy the available space.
Correct Answer:
C
— Particles move freely and rapidly
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Q. What is the main reason that solids maintain their shape? (2023)
A.
Particles are in constant motion
B.
Particles are tightly packed and vibrate in place
C.
Particles are loosely arranged
D.
Particles have high kinetic energy
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Solution
Solids maintain their shape because their particles are tightly packed and can only vibrate in place, preventing them from flowing.
Correct Answer:
B
— Particles are tightly packed and vibrate in place
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Q. What is the primary characteristic that distinguishes solids from liquids? (2021)
A.
Solids have a definite shape and volume
B.
Liquids have a definite shape and volume
C.
Solids can flow
D.
Liquids can be compressed easily
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Solution
Solids maintain a definite shape and volume due to closely packed particles, while liquids take the shape of their container but have a definite volume.
Correct Answer:
A
— Solids have a definite shape and volume
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Q. What is the primary factor that affects the state of matter?
A.
Temperature
B.
Pressure
C.
Volume
D.
Density
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Solution
Temperature is the primary factor that affects the state of matter by influencing particle energy.
Correct Answer:
A
— Temperature
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Q. What is the primary reason that gases fill their containers? (2023)
A.
High density
B.
Low density
C.
High kinetic energy
D.
Low kinetic energy
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Solution
Gases fill their containers due to high kinetic energy, which allows particles to move freely and spread out.
Correct Answer:
C
— High kinetic energy
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Q. What is the primary state of matter that has a definite shape and volume?
A.
Gas
B.
Liquid
C.
Solid
D.
Plasma
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Solution
Solids have a definite shape and volume due to closely packed particles.
Correct Answer:
C
— Solid
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Q. What is the term for the change of state from liquid to solid?
A.
Melting
B.
Freezing
C.
Condensation
D.
Sublimation
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Solution
Freezing is the process where a liquid changes into a solid.
Correct Answer:
B
— Freezing
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Q. Which of the following statements about gases is true? (2022)
A.
Gases have a definite shape and volume
B.
Gases are incompressible
C.
Gases fill the entire volume of their container
D.
Gases have a fixed molecular arrangement
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Solution
Gases fill the entire volume of their container due to the high kinetic energy of their particles, allowing them to spread out.
Correct Answer:
C
— Gases fill the entire volume of their container
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Q. Which of the following states of matter can conduct electricity?
A.
Solid
B.
Liquid
C.
Gas
D.
All of the above
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Solution
All states of matter can conduct electricity under certain conditions, but liquids and solids are more common conductors.
Correct Answer:
D
— All of the above
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Q. Which of the following states of matter can flow?
A.
Solid
B.
Liquid
C.
Gas
D.
Both Liquid and Gas
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Solution
Both liquids and gases can flow due to the freedom of movement of their particles.
Correct Answer:
D
— Both Liquid and Gas
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Q. Which state of matter can be described as having both definite volume and shape?
A.
Liquid
B.
Gas
C.
Solid
D.
Plasma
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Solution
Solids have both a definite volume and shape due to their tightly packed particles.
Correct Answer:
C
— Solid
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Q. Which state of matter can be described as having no definite shape or volume?
A.
Solid
B.
Liquid
C.
Gas
D.
All of the above
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Solution
Gases have neither a definite shape nor a definite volume.
Correct Answer:
C
— Gas
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Q. Which state of matter can be easily compressed?
A.
Solid
B.
Liquid
C.
Gas
D.
All of the above
Show solution
Solution
Gases can be easily compressed due to the large spaces between their particles.
Correct Answer:
C
— Gas
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Q. Which state of matter has particles that are farthest apart? (2020)
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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Solution
In gases, particles are farthest apart compared to solids and liquids, allowing them to move freely and occupy more space.
Correct Answer:
C
— Gas
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Q. Which state of matter has particles that are tightly packed and vibrate in place?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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Solution
In solids, particles are tightly packed and can only vibrate in fixed positions.
Correct Answer:
A
— Solid
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Q. Which state of matter has the least amount of energy?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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Solution
Solids have the least amount of energy compared to liquids, gases, and plasmas due to their tightly packed particles.
Correct Answer:
A
— Solid
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Q. Which state of matter is characterized by having a definite volume but no definite shape?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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Solution
Liquids have a definite volume but take the shape of their container, as their particles are less tightly packed than in solids.
Correct Answer:
B
— Liquid
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Q. Which state of matter is characterized by having a fixed volume but no fixed shape?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
Show solution
Solution
Liquids have a fixed volume but take the shape of their container.
Correct Answer:
B
— Liquid
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