The vehicle used in case of enamel paints is usually

Wrought iron is manufactured from pig iron by

Cast iron is used for

Pick up the correct statement from the following:

Asbestos is

Kaolin is chemically classified as

The percentage of alumina in a good brick earth lies between

For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is

Pick up the incorrect statement from the following: