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The chemical reactions and its corresponding observable features are matched below. The correct option is

             Column I

Column II

1.

change in temperature

(i)

Magnesium reacting with dilute sulphuric acid

2.

Evolution of a gas

(ii)

Potassium iodide reacting with lead nitrate

3.

Formation of a precipitate

(iii)

Sulphur dioxide gas reacting with acidified potassium dichromate solution

4.

Change in Color

(iv)

Zinc granules reacting with dilute sulphuric acid

 

(a)

1-(iii), 2-(iv), 3-(i), 4-(ii)

(b)

1-(iv), 2-(i), 3-(ii), 4-(iii)

(c)

1-(i), 2-(iv), 3-(iii), 4-(i)

(d)

1-(iv), 2-(ii), 3-(iii), 4-(i)



Question ID - 154940 | SaraNextGen Top Answer

The chemical reactions and its corresponding observable features are matched below. The correct option is

             Column I

Column II

1.

change in temperature

(i)

Magnesium reacting with dilute sulphuric acid

2.

Evolution of a gas

(ii)

Potassium iodide reacting with lead nitrate

3.

Formation of a precipitate

(iii)

Sulphur dioxide gas reacting with acidified potassium dichromate solution

4.

Change in Color

(iv)

Zinc granules reacting with dilute sulphuric acid

 

(a)

1-(iii), 2-(iv), 3-(i), 4-(ii)

(b)

1-(iv), 2-(i), 3-(ii), 4-(iii)

(c)

1-(i), 2-(iv), 3-(iii), 4-(i)

(d)

1-(iv), 2-(ii), 3-(iii), 4-(i)

1 Answer
127 votes
Answer Key / Explanation : (b) -

1-(iv), 2-(i), 3-(ii), 4-(iii)

127 votes


127