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When a student added a few drops a methy...

When a student added a few drops a methyl orange indicator to a colourless solution, the solution turned red. Which of the following should he added in excess so that the colour changes to yellow?

A

`NaOH` solution

B

`H_(2)SO_(4)` solution

C

Lemon juice

D

Vinegar 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 mixed some soil with water in a beaker and allowed it to set...

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

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

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

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

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

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

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

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

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

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

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  13. 2mL of ethanoic acid was taken in each of test tube I and test tube II...

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

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

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

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

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

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

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  20. Use Mendeléev’s Periodic Table to predict the formulae for the oxides ...

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