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When a few drops of universal indicator ...

When a few drops of universal indicator were added to a dilute solution of HCl, it is observed that the colour of the solution changes from

A

colurless to red

B

colourless to blue

C

Blue to colourless

D

colourless to green

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. Quick lime is

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  2. Identify the colour changes in pH paper when a drop of a sample, which...

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

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

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

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  6. The pH value of a sample of hydrochlroic acid is 2, pH value of this s...

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

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  8. Find the mode of the following distribution :

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

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

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  11. Complete the following reactions: CaClO2+CO2rarr

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

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

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

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

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

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

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

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

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

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