The commonly used drying oil for oil paints, is

The most important constituent of an oil paint, is

The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted …

The stones obtained by blasting are used as

Resins are

Pick up the correct statement from the following:

Blister steel

Pig iron is manufactured from the ores by

Pick up the volcanic rock from the following: