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(a). What will happen if heating is not ...

(a). What will happen if heating is not controlled while preparing plaster of paris?
(b) Write an equation to show the reaction between plaster of paris and water.

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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. What happens when a cold and concentrated solution of sodium chloride ...

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  2. (a). What is the common name of sodium hydrogencarbonate? ltBrgt (b). ...

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  3. (a). What will happen if heating is not controlled while preparing pla...

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  4. (a) What happens when copper sulphate crystals are heated strongly? Ex...

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  5. (a). What is the chemical name of bleaching powder.? (b) What is the...

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  6. (a) Name a sodium compound used for softening hard water. (b) Which ...

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  7. (a). What is gypsum? What happens when gypsum is heated to 100^(@)C (3...

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  8. (a) What is baking powder? How does it make the cake soft and spongy? ...

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  9. State two uses each of the following compounds: (a) Sodium hydroxide...

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  10. (a) What is the common name of the compound CaOCl(2)? (b) Name the r...

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  11. (a). What happens when concentrated solution of sodium chloride (brine...

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  12. (a). What is bleaching powder? How is bleaching powder prepared? Write...

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  13. (a). What is plaster of paris? Write the chemical formula of plaster o...

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  14. The salt which will give an acidic solution on dissolving in water is:

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  15. One of the following salts will give an alkaline solution on dissolvin...

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  16. The salt which will give a neutral solution on dissolving in water wil...

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  17. The products of chlor-alkali process are :

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  18. The number of molecules of water of crystallisation present in washing...

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  19. The salt whose aqueous solution will turn blue litmus to red is:

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  20. The aqueous solution of one of the following salts will turn red litmu...

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