Pick up the correct statement from the following:

The melting point of silica is :

Cement paints usually

For a 50 kg cement bag water required, is

Inhaling of fly-ash over a long period causes

The presence of original rounded surface on the manufactured piece of timber, is called

Name the type of cement from the following for canal linings :

Varnish is a transparent or semi-transparent solution of resinuous substances in

Calcination of iron ores is done