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Name the gas evolved when zinc granules ...

Name the gas evolved when zinc granules are treated/heated with:
(a). Hydrocloric acid solution
(b). Sodium hydroxide solotion

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(a). Hydrogen (b). Hydrogen
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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. How is the neutralisation of a carbonate with an acid different from t...

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  2. What happens to (a) the H^(+) ions, and (b) temperature of the solutio...

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  3. Name the gas evolved when zinc granules are treated/heated with: (a)...

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  4. What is the common name of water soluble bases?

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  5. What is common I all the water soluble bases (or alkalis)?

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  6. Why does tooth decay start when the pH of mouth is lower than 5.5?

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  7. What is the pH of a neutral solution?

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  8. Which is more acidic: a solution of pH=2 or a solution of pH=6?

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  9. Which s more basic (or more alkaline) : a solution of H=8 or a solutio...

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  10. Name the scientist who developed the pH scale.

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  11. Name the indicator which can give us an idea of how strong or weak an ...

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  12. The pH of soil A is 7.5 while that of soil B is 4.5. Which of the two ...

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  13. What is the name of the indicator which can be used for testing the pH...

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  14. What colour will universal indicator show if you add it to the followi...

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  15. A beaker of concentrated hydrochloric acid has a pH of 1. What colour ...

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  16. Two solutions X and Y are tested with universal indicator. Solution X ...

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  17. Two solutions A and B have pH values of 3.0 and 9.5 respectively. Whic...

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  18. Two drinks P and Q gave acidic and alkaline reactions, respectively on...

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  19. Two solutions X and Y have pH=4 and pH=8, respectively. Which solution...

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  20. Fill in the following blanks with suitable words (a). Acids have a p...

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