Which salt is called sugar of lead ?
Lead acetate

Sapphire and Ruby are two impure forms of which mineral ?
Corundum (Aluminium oxide)

What is Armacolite ?
A mineral found on moon, not seen on earth

What is a suspension of lime in water called ?
Milk of lime

Which is the most malleable of all metals ?
Gold

Cinnabar is the ore of ...?
Mercury

What is pinchbeck ?
It is an alloy used as imitation gold

What are the components of pinchbeck ?
Copper and Zinc

Tincal is a mineral which contains neither tin nor calcium. Then what is it chemically ?
It is an impure form of Borax