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Preparations and Uses of Caustic Soda

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Question

Write a balanced chemical reaction and give your observation when the following metals react:
Calcium with cold water

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Solution

Observation: Calcium sinks in water and the reaction is less vigorous which results in the formation a turbid solution of calcium hydroxide along with liberation of hydrogen gas.
The balanced chemical equation for the reaction is,
$C a + 2 H_{2} O \to C a (O H)_{2} + H_{2}$

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Preparations and Uses of Caustic Soda

Standard XII Chemistry

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