Matter in Our Surroundings

Topics in this chapter

• Particulate Nature of Matter
• Properties of States of Matter
• Temperature Scales and Conversion
• Interconversion of States
• Latent Heat and Boiling
• Evaporation and Cooling
• Sublimation and Liquefaction

Cheat sheet

Practice questions

1. Question 1Q-C3093A

   Which of the following conditions is most suitable for liquefying a gas?

   1. A.High temperature and low pressure
   2. B.Low temperature and high pressure
   3. C.High temperature and high pressure
   4. D.Low temperature and low pressure
   See the answer and solution
2. Question 2Q-0B2A08

   During the boiling of water, why does the temperature remain constant even though heat is being continuously supplied?

   See the answer and solution
3. Question 3Q-F3648E

   Which of the following phenomena would increase the rate of evaporation of a liquid?

   1. A.Decrease in wind speed
   2. B.Increase in humidity
   3. C.Decrease in surface area
   4. D.Increase in temperature
   See the answer and solution
4. Question 4Q-384A65

   Why do people sprinkle water on the ground or roof during hot summer days?

   See the answer and solution
5. Question 5Q-8C3976

   Which of the following has maximum inter-particle attraction?

   1. A.Oxygen gas
   2. B.Water
   3. C.Iron rod
   4. D.Mustard oil
   See the answer and solution