Question

A compound 'X' of sodium used as an antacid and it decomposes on strong heating.
(i)Name the compound 'X' and give it's chemical formula.
(ii)write a balanced chemical equation.
(iii)give one use of 'X' besides an antacid.

Answer 1

Explanation:

(I) "X" is the sodium hydrogen carbonate

chemical formula is Nahco3

(ii) 2Nahco3

Answer 2

a) X is sodium Bicarbonate or Sodium Hydrogen Carbonate. Its chemical formula is NaHCO3

                     heat

b) 2NaHCO   ==⇒   Na2CO3 + H20 + CO2

 c) Apart from antacids, it is used as baking soda which causes expansion or rise in the batter which gives the characteristic taste to cakes or idlis.