Question

A compound ‘X’ of sodium is used as an antacid and it decomposes on strong heating.
a) Name the compound ‘X’ and give its chemical formula.
b) Write a balanced chemical equation to represent the decomposition of ‘X’.
c) Give one use of compound ‘X’ besides an antacid .

Answer 1

Answer:

a) Name of the compound 'X' is sodium bicarbonate or sodium hydrogen carbonate. Its common name is baking soda and its chemical formula is NaHCO3.

b) On decomposing, NaHCO3 gives out sodium carbonate (Na2CO3), water and carbon dioxide.

Δ

NaHCO3 -----------> Na2CO3+ CO2+ H2O

c) Sodium bicarbonate or baking soda is also used as an ingredient while making a cake to set the dough and increase its volume.

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Answer 2

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