Iron ore may contain

The PVC doors and windows are preferred as they are

Pick up the correct statement from the following:

The rocks which are formed due to pouring of magma at the earth's surface are called

Pick up the correct statement from the following:

Lacquer paints

In the method of condensation polymerization,

The material generally not used as extender in paints, is

The method of addition polymerization is used for obtaining: