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Washing Soda

Which of the ...

Question

Which of the following option is not a property of washing soda?

A

It is a white powder.

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B

It is odourless.

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C

It is acidic in nature.

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D

It is hygroscopic in nature.

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Solution

The correct option is C It is acidic in nature.
The properties of washing soda ( ${Na}_{2} {CO}_{3} .10 H_{2} O$ ) are given below.
- It is a white and odourless powder.
- It is hygroscopic, that is it absorbs moisture if left exposed to air.
- It is basic in nature as it turns red litmus blue.
- It is used mainly for washing clothes.

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