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What is efflorescence? Name one compound...

What is efflorescence? Name one compound which show efflorescence?

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Why do acids not show acidic behaviour in the absence of water?

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  2. Fresh milk has a ph of 6. how do you think the ph will change as it tu...

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  3. What is efflorescence? Name one compound which show efflorescence?

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  4. State important properties of washing soda.

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  5. What is the action of heat on washing soda

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  6. What is gypsum? What happens when gypsum is heated to 373K?

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  7. What is the action of heat on washing soda

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  8. What is the action of heat on Lime stone?

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  9. Describe with chemical equaiton what happens when Carbon dioxide gas r...

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  10. What happens when bleaching powder is exposed to air?

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  11. Explain giving reasons: Tartaric acid is an important consituent of ba...

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  12. Baking soda is used for-.

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  13. What is the chemical formula of washing soda?

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  14. What will happen if a solution of sodium hydrogencarbonate is heated? ...

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  15. How is bleaching powder prepared? Give its uses.

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  16. Doctors use a paste of white substance in water to maintain a fracture...

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  17. Name the substance obtained by action of chlorine on dry slaked lime. ...

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  18. A white powder having an odour of chlorine is used to remove yellownes...

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  19. Describe an activity to show that acidic solution conducts electricity...

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  20. Among HCl, H2SO4 and CH3COOH, …………is weak acid.

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