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(a). What would you expect the pH of pur...

(a). What would you expect the pH of pure water to be?
(b). What colour would the universal indicator show in an aqueous solution of sugar? Why?
(c). A sample of rain water turned universal indicator paper yellow. What would you expect its pH to be? Is it a strong or a weak acid?

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(a) 7 (b) green, Neutral solution
(c) Between 5 and 6, Weak acid
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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
  1. What is meant by strong bases and weak bases? Classify the following i...

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  2. What ions are present in the solutions of following substances? (write...

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  3. (a). What would you expect the pH of pure water to be? (b). What col...

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  4. (a). What do you think will be the pH in the stomach of a person suffe...

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  5. Separate the following into substances having pH values above and belo...

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  6. (a). Do basic solutions also have H^(+)(aq) ions? If yes, then why are...

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  7. (a). What happens when zinc granules are heated with sodium hydroxide ...

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  8. (a). What effect does the concentration of H^(+) (aq) ions have on the...

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  9. One of the following is a medicine for indigestion. This is:

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  10. Bee sting contains:

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  11. Wasp sting contains:

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  12. One of the following does not inject an acidic liquid into the skin th...

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  13. A solution turns red litmus blue, its pH is likely to be

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  14. A solution turns blue litmus red. Its pH is likely to be:

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  15. A solution turns phenolphthalein indicator pink. The most likely pH of...

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  16. The colour of methyl orange indicator in a solution is yellow. The pH ...

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  17. Bee stings can be treated with:

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  18. Wasp stings can be treated with :

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  19. it has been found that rubbing vinegar on the stung area of the skin o...

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  20. Fresh milk has a pH of 6. When milk changes into curd, the pH value wi...

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