Kerosene does not dissolve in water. They are called

The property that we use for classifying things depends on the ______ of the classification.

Which of the following type of bodies form sharp shadows when placed in the path of light ?

By dropping a drop of water on a glowing electric blub, it bursts. This is because glass is a

Which state of matter is most difficult to be compressed?

A mirror is:

Upon heating, solids usually turn into

Door locks are made of metals because metals

Of our total body weight, about two thirds is made up of water and it is important to have a regular intake of water. This is because:

Which of the following material is hard, opaque and shines when freshly cut ?