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Arrehenius Theory of Acids and Bases

Which of thes...

Question

Which of these is an acid-base reaction and releases a gas that turns lime water milky?

$C a S O_{4} + H C l \to$

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$C H_{3} C O O H + H C l \to$

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$N a H C O_{3} + H C l \to$

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$N a O H + H C l \to$

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Solution

The correct option is C
$N a H C O_{3} + H C l \to$

$N a H C O_{3}$ is basic and reacts with acid to form salt, water, and carbon dioxide. Carbon dioxide turns lime water milky.

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