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Dry hydrogen chloride gas does not turn ...

Dry hydrogen chloride gas does not turn blue litmus red whereas hydrochloric acid does. Give one reason.

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Fill ups The colour of universal indicator in very acidic solution is…...

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  2. Why is sodium hydrogen carbonate an essential ingredient in antacids?

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  3. Dry hydrogen chloride gas does not turn blue litmus red whereas hydroc...

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  4. Write a chemical equation for the reaction of carbon dioxide with blea...

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

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  6. How is the concentration of hydronium ions (H(3)O^(+)) affected when a...

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  7. A piece of zinc metal is dropped in dilute solution of hydrochloric ac...

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  8. A piece of zinc metal is dropped in dilute solution of hydrochloric ac...

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  9. Name the two main consituents of baking powder.

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  10. Name the two main consituents of baking powder.

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  11. Tooth enamel is one of the hardest substances in our body. How does it...

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  12. What is the meant by water by crystallisation in a substance? How woul...

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  13. Complete the following reactions: NaCl+CO2+NH3+H2Orarr……………+…………

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  14. Compelte the following reactions: CaSO4. 2H2O rarr

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  15. Compelte the following reactions: CaCO3+H2SO4(dil)rarr

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  16. What is universal indicator?

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  17. Solution A gives pink colour when a drop of phenopthalein indicator is...

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  18. Name one salt whose solution has pH more than 7 and one salt whose has...

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  19. Hydrated copper sulphate on heating changes to

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  20. An aqueous solutons turns red litmus solutoin blue. Excess addition of...

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