The quantity of matter present in an object is called its: (a)Weight (b)Gram (c)Mass (d)Density

The change of a liquid into vapour is called: (a)Vaporization (b)Solidification (c)Sublimation (d)None of these

When we put some crystals of potassium permanganate in a beaker containing water, we observe that after sometime whole water has turned pink. This is due to: (a)Boiling (b)Melting of KMNO4 (c)Diffusion

That term is used to describe the phase change of a solid to a liquid? (a)Freezing (b)Melting (c)Boiling (d)None of the above

Select the one that is not a matter: (a)Feeling of hot (b)Smoke (c)Humidity (d)Water