Question

4. An element X reacts with oxygen and gives an oxide Y. Y on treatment with water produces Z which turns red litmus blue. Identify X, Y and Z .Write down the word equations of the reactions​

Answer 1

Answer:

Explanation:Since the oxide turns red litmus blue, therefore X is a metal because it is an alkaline oxide.

Most of the metals form respective metal oxides when react with oxygen.

Metal + Oxygen → metal oxide

Examples: (1) Reaction of potassium with oxygen:- Potassium metal forms potassium oxide when reacts with oxygen.

4K+O  

2

​  

→2K  

2

​  

O

(2) Reaction of sodium with oxygen:- Sodium metal forms sodium oxide when reacts with oxygen.

4Na+O  

2

​  

→2Na  

2

​  

O

Answer 2

Answer:

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bs

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gd

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,

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,

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