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When a student added red litmus to an aq...

When a student added red litmus to an aqueous solution, the red litmus turned blue. Which one of the following should be added in exces so that eh change incolour is reversed?

A

baking soda solution

B

lime water

C

vinegar solution

D

ammonia solution

Text Solution

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The correct Answer is:
B
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. In a experiment to measure the pH values of solutions, a student place...

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  2. A student was given four unknown solutions in test tubes marked A,B,C ...

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  3. When a student added red litmus to an aqueous solution, the red litmus...

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  4. A student was asked to test an unknown colourless solution with an ind...

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  5. A student mixed equal volumes of hydrochloric acid and sodium hydroxi...

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  6. In an experiment to measure the pH values by using a universal a univ...

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  7. A student measured the pH values of four solutions P,Q,R and S as 10,6...

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  8. A student mixed some soil with water in a beaker and allowed it to set...

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  9. When a student added a few drops a methyl orange indicator to a colour...

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  10. A student measured the pH values of four solutions A,B,C and D which ...

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  11. When a student put some copper turnings in a colourless solution, he ...

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  12. A student added blue litmus solution to a colourless aqueous solution....

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  13. Aluminium sulphate and copper sulphate solutions were taken in two tes...

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  14. A student was given three solution marked X,Y and Z and asked to arran...

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  15. When the strip of pH paper was put in a given solution the pH paper ch...

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  16. The test tube I contains sodium bicarbonate solution whereas test tube...

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  17. No observable change is noticed when dilute hydrochloric acid is added...

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  18. A student took four test tubes I,II,III and IV containing aluminium su...

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  19. 2mL of ethanoic acid was taken in each of test tube I and test tube II...

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  20. Four students A,B,C and D were asked by their teacher to arrange the s...

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