Which among the given compounds are used to produce ammonia in a laboratory?

C a (O H)_{2}

(Calcium hydroxide) and

N H_{4} C l

(Ammonium chloride)

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C a

(Calcium) and

N H_{4} C l

(Ammonium chloride)

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C a (O H)_{2}

(Calcium hydroxide) and

N H_{4} O H

(Ammonium hydroxide)

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N a

(Sodium) and

N H_{4} C l

(Ammonium chloride)

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Solution

The correct option is A $C a (O H)_{2}$ (Calcium hydroxide) and $N H_{4} C l$ (Ammonium chloride)
In a laboratory $C a (O H)_{2}$ and $N H_{4} C l$ is used to produce ammonia. When a mixture of $C a (O H)_{2}$ and $N H_{4} C l$ is heated, the products formed are $N H_{3}$ gas, $C a C l_{2}$ and $H_{2} O$ in the form of water vapour. The equation of the reaction is given below.

$Ca {(OH)}_{2} + 2 {NH}_{4} Cl \to 2 {NH}_{3} + 2 H_{2} O + {CaCl}_{2}$

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