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A is a king of acid. A reacts with HBr to give B and Bromine.

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A is a king of acid. A reacts with HBr to give B and Bromine. A reacts with Na2CO3 to give C and carbon dioxide. Identify A, B and C. Give the reaction.

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1. King of acid is sulphuric acid (A). 

2. Sulphuric acid (A) reacts with HBr to give SO2 (B) and Bromine.

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3. Sulphuric acid (A) reacts with Na2CO3 to give sodium sulphate (C) and CO2 .

A Sulphuric acid H2SO4
B Sulphur dioxide SO2
C Sodium sulphate Na2SO4
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