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What is gypsum? What happens when gypsum...

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

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. State important properties of washing soda.

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  2. What is the action of heat on washing soda

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

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  4. What is the action of heat on washing soda

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

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

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

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

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  9. Baking soda is used for-.

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  10. What is the chemical formula of washing soda?

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

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

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

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

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

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

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

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  18. Potassium nitrate has pH value equl to…………… .

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  19. Fill ups Plaster of Paris is obtained by heating…………… .

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  20. Washing soda has chemical formula……………… .

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