Metal compound "A" reacts with dilute sulphuric acid to produce a gas which extinguishes a burning candle. Identify A & gas produced. Write a balanced chemical equation for the reaction if one of the compounds formed in the reaction is sodium sulphate. 

Asked by araima2001 | 20th Sep, 2015, 11:42: AM

Expert Answer:

When sodium carbonate reacts with sulphuric acid, it produces carbon dioxide gas with effervescence.

Carbon dioxide is used as fire extinguisher.

Hence, it extinguishes a burning candle.

Therefore, the metal compound A is sodium carbonate.

Na2CO3 + H2SO4 → Na2SO4 + CO2 + H2O

Answered by Vaibhav Chavan | 20th Sep, 2015, 06:21: PM

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