What do you observe when an ammonium salt is heated with caustic soda solution? Write the word equation.

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Solution

When ammonium salt is heated with caustic soda $(N a O H)$ solution, ammonia gas is evolved.

The word equation is:

Ammonium chloride $+$ Sodium hydroxide $\to$ Sodium chloride $+$ water $+$ ammonia

The balanced equation is:

$N H_{4} C l + N a O H \to N a C l + H_{2} O + N H_{3}$

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