Question 4 (a)
Write the chemical formulae of the following:
(a) Magnesium chloride

Q. Question 4 (d)
Write the chemical formulae of the following:
(d) Aluminium chloride

Q.

Write the chemical formula for the following compounds

a) Aluminium sulphate

b) Silver nitrate

c) Magnesium oxide

d) Barium chloride

Q. Write the formulae of the following compounds, showing the steps involved.

(a) sodium oxide
(b) magnesium nitrate
(c) magnesium sulphate
(d) aluminium chloride

Q. Question 8.4
Write the balanced chemical equation for the following and identify the type of reaction:

Magnesium (s) + Hydrochloric acid (aq) $\to$ Magnesium chloride (aq) + Hydrogen (g)

Q.

Question 17
Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them.

(a) Ammonia

(b) Carbon monoxide

(c) Hydrogen chloride

(d) Aluminium fluoride

(e) Magnesium sulphide