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Why is universal indicator a better one ...

Why is universal indicator a better one Than litmus paper ?

A

Litmus paper can only by used for acids.

B

Litmus paper can only be used for alkalis.

C

Universal indicator goes green if some thing is neutral.

D

Universal indicator is useful for all ranges of pH of the solution.

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BEYOND PUBLICATION-ACIDS,BASES AND SALTS-EXERCISE
  1. Why does tooth decay start when the pH of mouth is lower than 5.5?

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  2. Which of the following is the most accurate way of showing neutralizat...

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  3. Why is universal indicator a better one Than litmus paper ?

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  4. Which of the following is used for making toys ?

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  5. Brine solution is called

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  6. Tooth decay start when the pH of the mouth is lower than-

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  7. The chemical formula of hydrated copper sulphate is-

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  8. If the pH value of a solution is 12, then the character of solution of...

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  9. Which of the following is used in cakes or pastries to making them lig...

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  10. Which salt is used in the manufacture of borax?

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  11. Which of the following is the reason for the bluish green colour solut...

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  12. Excess of sodium hydroxide reacts with zinc to form

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  13. is a mild non-corrosive base.

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  14. Which of the following is the weakest acid ?

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  15. Formula of bleaching powder

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  16. Which of the following gas is liberated, when sodium carbonate is reac...

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  17. Which one of the following is the weakest base?

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  18. Because which of the absence of following ions, in the glucose and alc...

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  19. reaction in which acid reacts with the base forming salt and water is ...

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  20. Which of the following mild base is used on the stung area gives relie...

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