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What is the chemical formula of washing soda?

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Explain giving reasons: Tartaric acid is an important consituent of ba...

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  2. Baking soda is used for-.

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  3. What is the chemical formula of washing soda?

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

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

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

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

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

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

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

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

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

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  13. Washing soda has chemical formula……………… .

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  14. What are strong and weak acids

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

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  16. How do acids and bases, react with each other. Explain with example.

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  17. Discuss the role of bile in digestion of food.

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  18. Discuss the role of a pH in causes of tooth decay.

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  19. How are plants and animals kept in museums?

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  20. Define pH, which of the following salts will have pH less or more than...

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