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Identify the colour changes in pH paper ...

Identify the colour changes in pH paper when a drop of a sample, which has pH 14 in standard pH colour chart is placed on it.

A

Red

B

Yellow

C

Blue

D

Green

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
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  3. Identify the colour changes in pH paper when a drop of a sample, which...

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  4. When a few drops of universal indicator were added to a dilute solutio...

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  5. If HCl is added to distilled water, the pH of new solution will be:

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  6. Two solutions A and B have pH of 6 and 9 respectively. Which solution ...

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  8. The products of reaction between zinc and sodium hydroxide solution ar...

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  9. Find the mode of the following distribution :

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  10. Rachel, an engineering student, was asked to make a model shaped like ...

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  11. Complete the following reactions: NaHCO3overset(Heat)rarr

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  12. Complete the following reactions: CaClO2+CO2rarr

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  13. You are given two solution A and B having pH 1 and 6. which of these h...

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  14. Which gas is produced when Al metals reacts wth NaOH solution?

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  15. Which colour is produced when a drop of phenophthalein is added to HCl...

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  16. Which colour is produced when a drop of phenophthalein is added to NaO...

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  17. Which has higher pH value: 1M NaOH(aq) or 1M HCl(aq)?

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  18. What will be the colour of litmus in a solution of sodium carbonate?

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  19. Which of the two CuSO4 or CH3COONa solutoin has pH>7?

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  20. What will be the colour produced when a drop of methyl orange is adde...

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