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Fill ups Plaster of Paris is obtained by...

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

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Among HCl, H2SO4 and CH3COOH, …………is weak acid.

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

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

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  4. Washing soda has chemical formula……………… .

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  5. What are strong and weak acids

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

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

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

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

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  10. How are plants and animals kept in museums?

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

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  12. Define pH, which of the following salts will have pH more than 7? Sodi...

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  13. Define pH, which of the following salts will have pH more than 7? Sodi...

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  14. Complete the following reactions: Sodium hydroxide+……………acid to Sodium...

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  15. Complete the following reactions: Copper oxide+Sulphuric acid to ……………...

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  16. Complete the following reactions: Sodium carbonate+………….acid to sodium...

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  17. Complete the following reactions: Ca(OH)2(aq)+………….rarr CaCO3

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  18. Complete the following reactions: Alminium +Sulphuric acid rarr…………….+...

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  19. Complete the following reactions: Sodium hydrogen carbonate+………….rarr ...

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  20. All alkalines are bases but all bases are not alkalies.

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