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A small piece of aluminium metal was pla...

A small piece of aluminium metal was placed in a beaker containing a greenish solution. After some time a grey coating was observed on the aluminium piece. The greenish solution is most likely to be:

A

salt solution of copper metal

B

salt solution of iron metal

C

salt solution of zinc meal

D

salt solution of aluminium metal

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. Which one of the following procedures is correct to detect the acidic ...

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  2. Which of the following metal strips when placed in colourless AgNO(3) ...

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  3. A small piece of aluminium metal was placed in a beaker containing a g...

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

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  5. Whch of the following solutions should be put on a universal indicator...

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  6. A student took solution X in a test -tube and added a few drops of uni...

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  7. In order to study the neutralisation reaction of acid and base a stude...

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  8. In a experiment to measure the pH values of solutions, a student place...

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

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

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

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

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

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

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

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

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

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

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

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

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