Sandstone is a
(i) Sedimentary rock
(ii) Aqueous rock
(iii) Siliceous rock

Pick up the correct statement from the following:

A queen closer is a

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

Cast iron is used for

The specific gravity of marble, is

The cement becomes unsound by the presence of excess

Which of the following represents a metamorphic rock?<br> (i) Slate<br> (ii) Shale<br> (iii) Quartzite

Plaster of Paris is obtained by calcining