Question

Write the steps in deducing the chemical formulae of the following compounds. (v) Aluminium hydroxide

Answer 1

Aluminium hydroxide :

Step 1 : Write the symbols and valencies of the radicals.

Symbols	Al	OH
Valency	3	1

Step 2 : Cross-multiply symbols of radicals with their respective valency.

Step 3 : Write down the chemical formula of the compound. 

The chemical formula of  Aluminium hydroxide  Al(OH)₃