Write the chemical formulae of the following.
Calcium carbonate.

Write the chemical formulae of the following. Calcium oxide

Write the chemical formula of urea.

Write the chemical formulae of the following. Magnesium chloride

Write the chemical formulae of the following. Aluminium chloride

Write the chemical formula of 'Borax'

Write the chemical formulae of the following. Copper nitrate

Write the chemical formula of aspirin.

What is the chemical formula of rust?

Write the dimensional formula of torque.

Write the balanced chemical equations for the following reactions : Calcium carbonate + Hydrochloric acid rarr Calcium chloride + Water + Carbon dioxide