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What is bleaching powder? How is it prep...

What is bleaching powder? How is it prepared? List two uses of bleaching powder.

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Bleaching power is calcium oxychloride. It is prepared by the action of chlorine on dry slaked lime.
`Ca(OH)_2+Cl_2 to CaOCl_2+H_2O`
Bleaching powder
Uses:
(i) Used for bleaching cotton and linen in the textile industry and wood pulp in paper industry etc.
(i) It is used for disinfecting the drinking water.
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OSWAAL PUBLICATION-ACIDS,BASES AND SALTS -TOPIC-2 SHORT ANSWER TYPE QUESTION-I
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  2. What is bleaching powder? How is it prepared? List two uses of bleachi...

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  3. Classify the following salts as acidic, basic and neutral : Potassium ...

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  4. Explain why an aqueous solution of sodium sulphate is neutral while an...

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  6. Write the chemical formula of baking soda. How is baking soda prepared...

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  7. Name the gas evolved when sodium hydrogen carbonate is made to react w...

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  8. The colour of copper sulphate solution changes when an iron nail is di...

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  9. A white powder is added while baking bread and cakes to make them soft...

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  10. A green coloured hydrated metallic salt on heating loses its water of ...

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  11. What is the colour of FeSO4. 7H2O crystals? How does this colour chang...

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  12. State the chemical name of plaster of paris . Write a chemical equatio...

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  13. Crystals of a substance changed their colour on heating in a closed ve...

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  14. An aluminium can is used to store ferrous sulphate solution. It is obs...

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  15. (i) What would be the colour of the solution when copper oxide and dil...

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  16. How will you prove that a given salt is a carbonate of a metal?

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