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Preparations and Uses of Caustic Soda

Soda lime is ...

Question

Soda lime is made from:

N a + C a O + H_{2} O

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C a O + N a O H (a q)

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N a O H + C a C O_{3}

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N a H C O_{3} + C a O

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Solution

The correct option is A $C a O + N a O H (a q)$
Sodalime is a mixture of $N a O H$ and $C a (O H)_{2}$ . It is made from quicklime $C a O$ and aq. $N a O H$ .

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