Question

a) The chemical formula ofuminium sulphate is Al2(SO4)3. What is the valency of Aluminium? Name this compound of Aluminium en-A1203.

b) You are provided with two enclosed jars. One contains air and the other contains water. Classify the jars as Mixture and Compound. Give 2 differences of mixtures and compounds.

c) The chemical formula of carbon dioxide is CO2. Write any one of the information that can be obtained from this formula.​

Answer 1

c) CaCO3 can be obtained when we add CO2 with CaO