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When a student put some copper turnings ...

When a student put some copper turnings in a colourless solution, he observed that the solution gradually turned blue. The solution is most likely to be:

A

ferrous sulphate solution

B

magnesium nitrate solution

C

silver nitrate solution

D

copper sulphate solution

Text Solution

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The correct Answer is:
C
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. When a student added a few drops a methyl orange indicator to a colour...

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

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

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

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

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

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

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

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

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

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  11. 2mL of ethanoic acid was taken in each of test tube I and test tube II...

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

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

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

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

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

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

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

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  19. Besides gallium, which other elements have since been discovered that ...

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  20. What were the criteria used by Mendeléev in creating his Periodic Tabl...

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