ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 67

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Which of the following reactions will not proceed?

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Important Questions on Metals and Non-Metals

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 68

Ferrous sulphate crystals are dissolved in water. The colour of the solution would be

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 69

Mrignayani was doing the experiment of comparing the reactivity of metals in the laboratory. She was given aluminium metal and was told to check reactivity to by using four solutions as shown below. She would observe that reaction takes place in
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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 70

Which of the following statements are correct: Aluminium can displace
(i)

C u

from

{C u S O}_{4}

solution
(ii)

F e

from

{F e S O}_{4}

solution
(iii)

Z n

from

{Z n S O}_{4}

solution
(iv)

A l

from

{A l}_{2} {({S O}_{4})}_{3}

solution

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 71

Four test tubes marked

I, I I, I I I

and

I V

were taken.

20 mL

of

{A l}_{2} {({S O}_{4})}_{3}

solution in water was poured in each of the test tubes. A piece of zinc metal was placed in test tube

I

, an iron nail was put in test tube

I I

, copper turnings were put in test tube

I I I

and a clean aluminium strip was placed in test tube

I V

. No change was observed in any of the test tubes. The correct inference drawn is:

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 72

If iron nails are added in zinc sulphate solution, the possible observation could be: