Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as

Pick up the correct statement from the following:

Quartzite, a metamorphic stone is

Lime putty

Plastic

During pudding

The percentage of water for normal consistency, is

Acrylic is the name of

The operation of removal of impurities or clay adhering to iron ores, is known as