States of Matte...

Which of the following has the strongest intermolecular forces of attraction?

Why is it difficult to break an iron nail?

Why is sponge compressible although it is a solid?

Why does an electric bulb, on prolonged use, form a black coating on its inner surface?

Which of the following does not undergo sublimation?

Which of the following expands on heating?

What is the value of latent heat of vapourisation of steam?

What is the value of latent heat of fusion of ice?

Why does steam cause more severe burns than boiling water?

Which of the following is responsible for the cooling of water kept in an earthen pitcher during summer days?

Which of the following parameters determine(s) the physical state of matter?

a. Temperature
b. Pressure
c. Density

On a given day, clothes take longer to dry in Chennai, which is on the sea coast, than in Delhi although both cities show the same temperature. This is because

Which of the following statements is/are false?

a. The force of attraction is minimum in the particles of solid matter and maximum in the particles of gaseous matter.
b. The pressure exerted by the gas on the walls of its container is due to the collision of the fast moving gas particles against the walls of the container.
c. A sponge is considered to be a solid because its compressibility is due to the presence of minute pores in it, which are filled with air.

Which of the following statements is not correct?

While boiling a liquid, Siya noticed that the temperature remains constant during the change of state. What is the possible reason for this?