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Which of the following is/are the characteristics of matter?
1. Particles of matter have space between them.
2. Particles of matter are stationary.
3. Particles of matter attract each other.
Which of the following is/are correct for effect of temperature?
1. The kinetic energy of the particles increases.
2. The energy supplied by heat overcomes the forces of attraction between the
particles.
3. The minimum temperature at which a solid melts to become a liquid at the
atmospheric pressure is called its boiling point.
Which of the following is/are correct about latent heat?
1. The word latent means hidden.
2. The amount of heat energy that is required to change 1 kg. of a liquid into gas.
Which of the following are correctly matched?
1. Sublimation —————————————————- change from solid to gas.
2. Deposition ————————————————– direct change of gas to solid.
3. Pressure and reducing temperature ————————————- solidify gases.
Which of the following is/are correct for evaporation?
1. Change of a liquid into vapours at any temperature below its boiling point.
2. Increase in temperature decreases evaporation.
3. Decrease in humidity increases evaporation.
What is the correct order of force of attraction?