Upto a maximum of 72% of iron, is available in

Pick up the correct statement from the following:

The lime which contains high percentage of calcium oxide, is generally called

Granite mainly composed of quartz and felsper particles, is obtained from

The wedging is adopted for quarrying costly stratified rock such as

The most fire resistant paints are :

Pegmatite is a/an

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

The portion of the brick cut across its width and having its length equal to that of a full brick, is known as