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Name a calcium compound which hardens on...

Name a calcium compound which hardens on wetting with water.

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Name a compound which hardens on wetting with water.

Name the compound of calcium which gets hardened when treated with water. Give the equation for the reaction involved.

Name the sodium compound which is used for softening hard water.

(a) Name a sodium compound used for softening hard water. (b) Which compound of calcium is used for disinfecting drinking water supply? (c) Name a metal compound which has detergent properties (cleansing properties). (d) Name one compound of calcium which is used for removing the colour of a coloured cloth. (e) State a peculiar (or remarkable) property of plaster of paris. (f) Name the substance obtained by the action of chlorine on solid (dry) slaked lime.

LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. What is the commercial name of calcium sulphate hemihydrate?

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  2. Name the product formed when Cl(2) and H(2) produced during the electr...

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  3. Name a calcium compound which hardens on wetting with water.

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  4. Name a sodium compound which is a constituent of many dry soap powders...

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  5. Name a metal carbonate which is soluble in water.

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  6. Name an acid which is present in baking powder.

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  7. Name the metal whose carbonate is known as washing soda.

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  8. Which compound is used as an actacid in madicine: NaHCO(3) or Na(2)CO(...

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  9. What is the common name of (a) NaHCO(3) and (b) Na(2)CO(3).10H(2)O?

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  10. Write the chemical name and formula of (a) common slat, and (b) causti...

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  11. What are the two main ways in which common salt (sodium chloride) occu...

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  12. Name the major salt present in sea-water?

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  13. (a) Name the process be which common salt is obtained from sea-water ...

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  14. Why is sodium chloride required in our body?

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  15. Name three chemicals made from common salt (or sodium chloride).

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  16. Give any two uses of common salt (sodium chloride).

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  17. What name is given to the common salt which is mined from underground ...

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  18. Name the salt which is used as a preservative in pickles, and in curin...

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  19. Name the raw material used for the production of caustic soda.

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  20. The electrolysis of an aqueous solution of sodium chloride gives us th...

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