The main constituent of cement which is responsible for initial setting of cement is

Which one of the following polymers is obtained from condensation polymerization?

A volatile substance added to a paint to make its application easy and smooth, is known as

Le-Chatelier's device is used for determining the

Wrought iron contains carbon about

Pick up the incorrect statement from the following:

Chlorite, a green colour mineral is mainly derived from the decomposition of

Based on its dry weight, a freshly felled tree may contain water

The ultimate tensile strength of structural mild steel is about