Excess of silica in brick earth results in

Pick up the incorrect statement from the following:

To give a brilliant finish, the type of varnish used, is

Chemically, marble is known as

First class timber has an average life of

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.<br>Reason R : Turpentine oil …

Strength of cement concrete primarily depends upon

Bitumen emulsion is

Iron ore may contain