$X + H_{2} O \to Y . Y$ is used to remove grease stains from woollen clothes. Identify X and Y.

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Solution

Step 1: ${NH}_{3} + H_{2} O \to {NH}_{4} OH$
Step 2: ${NH}_{4} OH$ is used to remove grease stains from woollen clothes. Ammonia $(pH 11)$ is a common alkaline cleaning agent. Ammonium hydroxide formed by the reaction of water and ammonia removes grease stains from clothes.
${NH}_{3} + H_{2} O \to {NH}_{4} OH$
Step 3: ${NH}_{4} OH$ is called an ammonia solution.
It is also known as ammonia water.
Step 4: $X = {NH}_{3}$
$Y = {NH}_{4} OH$

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Similar questions

Give reasons for the following :

(a) Liquid ammonia is used as a refrigerant in ice plants.

(b) Aqueous solution of ammonia is used for removing grease stains from woollen clothes.

(d) Aqueous solution of ammonia conducts electricity.

X + H_{2} O \to Y

Y

X

Y

Give reasons for the following:
Ammonia solution is used to remove oil and grease stains from clothes

Name the solution used for removing grease stains from woolen clothes.

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