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Question
State two properties and two uses of washing soda.
Solution
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- Washing soda is a transparent crystalline solid.
- Washing soda is soluble in water. The solution of washing soda is alkaline and turns red litmus paper to blue.
- Washing soda is used for removing permanent hardness of water.
- It is used in the manufacture of soap, glass, paper and sodium compounds, such as borax.
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