Question

i) Write the chemical formulae for the following compounds.

1. Magnesium chloride 2. Calcium bicarbonate 3. Sodium sulphate

ii) Balance the following chemical reaction.

1. CaCO3 + HCl CaCl2 + H2O + CO2​

Answer 1

Answer:

1 . MgCl

2.CaCO3

3.NaSO4

2.¹ CaCO3 +2HCl - CaCl2 + H2O + CO2

Answer 2

Answer:

1. MgCl2

2. Ca(HCO3)2

3. Na2SO4

1. CaCO3 + HCl -> CaCl2 + CO2 + H2O