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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 56

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10th CBSE

IMPORTANT

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Two beakers A and B contain an aqueous solution of FeSO₄. In the beaker A, zinc granules and in beaker B copper turnings have been placed. A grey coating was observed on zinc but not on copper. From the above observations, we can conclude.

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Important Questions on Metals and Non-Metals

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10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 57

A thin plate of zinc metal is placed in a beaker containing aqueous ferrous sulphate solution. The zinc plate is taken out after

15

mins. The colour of solution changes to:

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10th CBSE

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 58

The aqueous solutions of copper sulphate and zinc sulphate appear

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 59

A student performed the following four experiments.
Question Image

The experiments in which solid deposition on the metal plate will be observed are:

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10th CBSE

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 60

An iron nail is suspended in copper sulphate solution and kept for a while. It is observed that the solution:

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10th CBSE

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ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 61

Rinku took

10 m L

each of two solutions

A

and

B

separately in two test tubes. The solutions were copper sulphate and zinc sulphate respectively. The colours of the two solutions were:

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10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 62

Rekha took two solutions,

10 m L

each separately in two test tubes A and B. The solutions were of

{F e S O}_{4}

and

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

, respectively. The colours of the two solutions were:

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10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 63

Madhurima added a few iron filings to

5 m L

of aluminium sulphate

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

solution in a test tube. The correct observation for change in colour of solution by her is:

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10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 64

A chemistry lab-incharge kept zinc metal in

{F e S O}_{4}

solution and observed that after sometime, green ferrous sulphate solution turns to colourless and some brown powder is deposited on zinc. In the above reaction, zinc metal acts as: