States of Matter

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Q1. Which of the following is an example of a plasma? (2023)

Solution:

Lightning is an example of plasma, which is a state of matter consisting of ionized gas with free electrons.

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Q2. What is the primary difference between liquids and gases? (2023)

Solution:

Gases are highly compressible while liquids are not, due to the distance between particles in each state.

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Q3. What is the effect of increasing temperature on the volume of a gas at constant pressure?

Solution:

According to Charles's Law, increasing the temperature of a gas at constant pressure increases its volume.

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Q4. Which of the following is NOT a characteristic of solids? (2023)

Solution:

Solids are not highly compressible; they have a definite shape and volume, and their particles vibrate in fixed positions.

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Q5. Which of the following best describes the arrangement of particles in a liquid? (2023)

Solution:

In liquids, particles are close together but can move past each other, allowing liquids to flow.

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Q6. What happens to the particles in a gas when the temperature increases? (2023)

Solution:

As the temperature increases, the kinetic energy of gas particles increases, causing them to move faster.

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Q7. What is the primary reason that gases can be compressed more than liquids or solids?

Solution:

Gases can be compressed more than liquids or solids because they have large intermolecular spaces.

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Q8. What is the effect of increasing pressure on a gas at constant temperature? (2014)

Solution:

According to Boyle's Law, increasing pressure on a gas at constant temperature results in a decrease in volume.

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Q9. Which of the following states of matter has a definite volume but no definite shape?

Solution:

Liquids have a definite volume but take the shape of their container.

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Q10. Which of the following states of matter has the least intermolecular forces?

Solution:

Gases have the least intermolecular forces, allowing particles to move freely.