Sulphuric Acid Very Short Ans Concise Class-10 ICSE Chemistry Selina Solutions Chapter-11. We Provide Step by Step Answer of Very Short Ans Questions of Exercise-11 for ICSE Class-10. The given Solutions is according to the Latest editions. Visit official Website CISCE for detail information about ICSE Board Class-10.

Sulphuric Acid Very Short Ans Concise Class-10 ICSE Chemistry Selina Solutions Chapter-11

Board	ICSE
Book / Publication	Concise / Selina
Subject	Chemistry
Class	10th
Writer	Dr SP Singh
Chapter-11	Study of Compounds – Sulphuric Acid
Topics	Very Short Ans
Edition	2025-2026

Very Short Ans Questions on Sulphuric Acid

Page-185

Que-1: The following are the typical properties of dilute acid. complete them by inserting suitable words :

(i) Active metal + acid → …………. + ……………
(ii) Base + Acid → ………….. + …………….
(iii) Carbonate/hydrogen carbonate + Acid → …………. + …………. + …………..
(iv) Sulphite/hydrogen sulphite + Acid → …………. + ………… + ………….
(v) Sulphide + Acid → ……………. + ………………..

Ans:
(i) Active metal + acid → Metal sulphate + Hydrogen
(ii) Base + Acid → salt + water
(iii) Carbonate/hydrogen carbonate + Acid → Salt + Water + Carbon dioxide
(iv) Sulphite/hydrogen sulphite + Acid → Salt + Water + Sulphur dioxide
(v) Sulphide + Acid → Salt + Hydrogen sulphide

Que-2: Name :

(a) The acid formed when sulphur dioxide dissolves in water.
(b) The gas released when sodium carbonate is added to a solution of sulphur dioxide.
(c) Liquid E can be dehydrated to produce ethene.
(d) The gas that can be oxidized to sulphur.
(e) The solution which liberates sulphur dioxide gas from sodium sulphite.
(f) The gas produced on reaction of dilute sulphuric acid with a metallic sulphide.
(g) A dilute mineral acid which forms a white precipitate when treated with barium chloride solution.
(h) The acid which produces sugar charcoal from sugar.
(i) The acid on mixing with lead nitrate solution produces white ppt. which is insoluble even on heating.

Ans:
(a) Sulphurous acid
(b) Carbon dioxide gas
(c) Liquid E is Ethanol [C₂H₅OH]:  C₂H₅OH + H₂SO₄  ⟶ C₂H₄ + H₂O
(d) Hydrogen sulphide gas (H₂S): H₂S + H₂SO₄  ⟶ S + SO₂ + 2H₂O
(e) Dilute sulphuric acid.
(f) Hydrogen sulphide (H₂S)
(g) Dilute sulphuric acid:  BaCl₂ + H₂SO₄  ⟶ 2HCl + BaSO₄ ↓
(h) Conc. sulphuric acid
(i) Dilute sulphuric acid

Que-3: What is the name given to the salts of:

(a) Sulphurous acid
(b) Sulphuric acid

Ans:
The name of the salt of
(a) Hydrogen sulphites and Sulphites.
(b) Sulphate and bisulphate.

Que-4: What property of conc. H₂SO₄ :

(i) is used in the action when sugar turns black in its presence.
(ii) allows it to be used in the preparation of HCl and HNO₃ acids.

Ans:
(i) Zn + dil. H₂SO₄→ ZnSO₄ + H₂ 
(ii) Na₂CO₃ + dil. H₂SO₄→ Na₂SO₄ + H₂O + CO₂

Que-5: State the property of sulphuric acid shown by the reaction of conc. sulphuric acid when heated with

(a) potassium nitrate
(b) carbons
(c) ethanol

Ans:
(a) Non-volatile nature
(b) as an oxidising agent
(c) Dehydrating property

Que-6: Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:

A. Typical acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidising agent
(i) C₁₂H₂₂O₁₁ + nH₂SO₄ ⟶ 12C + 11H₂O + nH₂SO₄
(ii) S + 2H₂SO₄ ⟶ 3SO₂ + 2H₂O
(iii) NaCl + H₂SO₄ ⟶ NaHSO₄ + HCl
(iv) CuO + H₂SO₄ ⟶ CuSO₄ + H₂O
(v) Na₂CO₃ + H₂SO₄ ⟶ Na₂SO₄ + H₂O + CO₂

Ans:
(i) Dehydrating agent
(ii) Oxidising agent
(iii) Non-volatile acid
(iv) Typical acid
(v) Typical acid

Que-7: Some properties of sulphuric acid are listed below. Choose the role played by sulphuric acid as A, B, C or D which is responsible for the reactions (i) to (v). Some role/s may be repeated.

1. Dilute acid
2. Dehydrating agent
3. Non-volatile acid
4. Oxidising agent

Ans:
(i) (B) Dehydrating agent
(ii) (D) Oxidising agent
(iii) (C) Non-volatile acid
(iv) (A) Dilute acid
(v) (D) Oxidising agent

Que-8: Copy and complete the following table relating to an important industrial process and its final output.

Name of process	Inputs	Catalyst	Equation for catalyzed reaction output
Contact process	Sulphur dioxide + oxygen

Ans:

Name of process	Inputs	Catalyst	Equation for catalyzed reaction output	output
Contact process	Sulphur dioxide + oxygen	Platinum or V2O5	2SO2 + O2 ⇄ 2SO3	Sulphuric acid

Que-9: Copy and complete the following table:

Column 1 Substance reacted with acid	Column 2 Dilute or concentrated acid	Column 3 Gas
		Hydrogen
		Carbon dioxide
		Only chlorine

Ans:

Column 1 Substance reacted with acid	Column 2 Dilute or concentrated acid	Column 3 Gas
Substance reacted with acid	Dilute or concentrated sulphuric acid	Gas
Zinc	Dilute sulphuric acid	Hydrogen
Calcium carbonate	Concentrated sulphuric acid	Carbon dioxide
Bleaching power CaOCl2	Dilute sulphuric acid	only chlorine

 

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