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States of Matter: Gases and Liquids - Class XI Quiz

Class XI
Chemistry
States of Matter: Gases and Liquids
13 questions
HARD

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1. Which of the following properties is characteristic of gases?

Definite volume · High density · Compressibility · Fixed shape

2. What is the primary reason for the low density of gases compared to liquids?

Molecular size · Intermolecular forces · Large intermolecular spaces · Temperature

3. According to Boyle's Law, what happens to the volume of a gas when pressure increases?

Volume increases · Volume decreases · Volume remains constant · Volume becomes zero

4. Which of the following is NOT an assumption of the kinetic molecular theory of gases?

Gas particles are in constant motion · Gas particles have negligible volume · Gas particles attract each other · Collisions between gas particles are elastic

5. What is the effect of increasing temperature on the average kinetic energy of gas molecules?

Decreases it · Increases it · Has no effect · Causes it to become zero