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The usefulness of a universal indicator ...

The usefulness of a universal indicator is that

A

it gives a better result

B

it does not change the colour of the solution

C

it covers a wide range of pH

D

its colour does not fade away

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The correct Answer is:
C
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BHARATI BHAWAN (ENGLISH)-PRACTICALS -EXERCISE
  1. When rain is accompanied by a thunderstorm, the collected rain water w...

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  2. A universal indicator is

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  3. The usefulness of a universal indicator is that

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  4. The colour of the pH strip turned red when it was dipped into a sample...

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  5. A drop of colourless liquid was placed on blue litmus paper. The litmu...

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  6. Which of the following solutions would you use test the pH of a given ...

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  7. solution of SO(2) gas in water is acidic due to the formation of

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  8. The smell of sulphur dioxide is

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  9. Crystals of ferrous sulphate when exposed to air become

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  10. In the reaction with acidified K(2)Cr(2)O(7) solution , SO(2) acts as

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  11. A colourless gas produces irritation in lungs when inhaled and gives t...

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  12. Mohr's salt is

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  13. The bleaching action of sulphur dioxide is due to

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  14. Sulphur dioxide is not recognized by

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  15. The products formed when sodium sulphite is made to react with dilute ...

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  16. When SO(2) gas is passed through an acidified solution of K(2)Cr(2)O(7...

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  17. Name the substance which is used to prepare blue-black ink

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  18. Sulphur dioxide gas is dried by passing through concentrated H(2)SO(4)...

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  19. Sulphur dioxide gas should not be inhaled directly because

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  20. When a flower bleached by sulphur dioxide is brought in contact with a...

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