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A student mixed some soil with water in ...

A student mixed some soil with water in a beaker and allowed it to settle. He filtered the contents of the beaker and obtained a clear filtrate. When he put a few drops of the filtrate on the pH paper, the pH paper turned yellowish orange. Which of the following should the student put on this pH paper so that it may change its colour to greenish blue?

A

`NaHCO_(3)` solution

B

`HCl` solution

C

vinegar solution

D

Common salt solution

Text Solution

Verified by Experts

The correct Answer is:
C
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
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  2. A student measured the pH values of four solutions P,Q,R and S as 10,6...

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

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

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

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

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

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

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

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

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

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

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

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  14. 2mL of ethanoic acid was taken in each of test tube I and test tube II...

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

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  16. On adding a few drops of universal indicator solution to three unknown...

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  17. A few drops of ethanoic acid were added to solid sodium carbonate. The...

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  18. Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves...

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  19. What were the limitations of Döbereiner’s classification?

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  20. What were the limitations of Newlands’ Law of Octaves?

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