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10th CBSE

IMPORTANT

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The aqueous solutions of copper sulphate and zinc sulphate appear

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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 59

A student performed the following four experiments.
Question Image

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

MEDIUM

10th CBSE

IMPORTANT

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:

MEDIUM

10th CBSE

IMPORTANT

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:

HARD

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:

HARD

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:

HARD

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:

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10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 65

Raman took three metals labelled

P, Q

and

R

. He carried out displacement reactions with his salt solutions and found that

P

is less reactive than

R

but more reactive than

Q

. The metals

P, Q

and

R

respectively could be:

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF CHEMISTRY X>Chapter 3 - Metals and Non-Metals>Value Based Questions>Q 66

Rashmi added aluminum metal to colourless solution of zinc sulphate. After half an hour, the solution was observed. It was colourless.
She recorded her observations in the following statements:
(i) No reaction occurred
(ii) Reaction occurred and aluminium sulphate was formed
(iii) Zinc is more reactive than aluminium
(iv) Aluminium is more reactive than zinc.
The correct observations are:

The aqueous solutions of copper sulphate and zinc sulphate appear

Important Questions on Metals and Non-Metals

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