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Question

Choose the correct option regarding the uses of washing soda:


A

It is used to make the freezing mixture.

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B

It is used as a fungicide.

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C

It is used to manufacture glass.

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D

It is used to manufacture cement.

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Solution

The correct option is C

It is used to manufacture glass.


Washing soda (Na2CO3) is used to manufacture glass.
Sodium chloride(NaCl) is used to make the freezing mixture.
Gypsum(CaSO42H2O) is used to manufacture cement.
Blue vitriol or copper sulphate(CuSO45H2O) is used as a fungicide.


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