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What is efflorescence? Name one compound...

What is efflorescence? Name one compound which show efflorescence?

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MBD-ACIDS, BASES AND SALTS-EXAMPLE
  1. Are salt crystals really dry? Explain

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  2. How is washing soda prepared? Give its uses

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

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  4. A baker found that a cake prepared by him is small in size and hard w...

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  5. when bleaching powder is left open in air,then what happens?

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  6. What are the important uses of bleaching powder?

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  7. Name the compounds used in hospitals for supporting fractured bones in...

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  8. Write important uses of plaster of paris

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  9. Many people complaint about gas problem in stomach. What is main reaso...

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  10. What are antacids?

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  11. Utensils made up of copper and brass become shiny when rubbed with lem...

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  12. For the safety of teeth what type of toothpaste should be used. Why?

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  13. How does change in ph-value helps in tooth decay?

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  14. What is the remedy for sting of nettle plant? Write.

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  15. What is acid rain? How is the ph of soil can be measured?

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  16. What happens when hydrochloric acid reacts with sodium carbonate?

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  17. Magenisum treated with dill,H2SO4. Name the gas produced and write the...

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  18. Compounds such as alcohols and glucose also contain hydrogen but are n...

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  19. Observe the figure and answer the following: What are 1 and 2?

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  20. Observe the figure and answer the following: Write down the reaction t...

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