Match the acids given in Column I with their correct source given in Column II Column I Column II A. Lactic acid 1. Tomato B. Acetic acid 2. Lemon C. Citric acid 3. Vinegar D. Oxalic acid 4. Curd

Curd contains lactic acid. Lactic acid is also produced as a chemical by-product of anaerobic respiration. Vinegar contains acetic acid. The IUPAC name for acetic acid is ethanoic acid. Lemon is a citrus fruit that contains citric acid. It is a weak organic acid. Tomatoes contain oxalic acid. Oxalic acid is the simplest dicarboxylic acid. Column I Column II A. Lactic acid 1. Curd B. Acetic acid 2. Vinegar C. Citric acid 3. Lemon D. Oxalic acid 4. Tomato

Match the important chemicals given in Column I with formula given in Column II. Column I Column II A. Plaster of Paris 1. Ca OH 2 B. Gypsum 2. CaSO 4 . 1 2 H 2 O C. Bleaching powder 3. CaSO 4 . 2 H 2 O D. Slaked lime 4. CaOCl 2

The chemical formula of Plaster of Paris is CaSO 4 . 1 2 H 2 O . Plaster of Paris is made by heating gypsum at about 150 ° C . The chemical formula of gypsum is CaSO 4 . 2 H 2 O . It contains two molecules of water of crystallisation. The chemical formula of bleaching powder is CaOCl 2 . It is produced by the action of chlorine gas on dry slaked lime. The chemical formula of slaked lime is Ca ( OH ) 2 . It is produced when quick lime is mixed with water. Column I Column II A. Plaster of Paris 1. CaSO 4 . 1 2 H 2 O B. Gypsum 2. CaSO 4 . 2 H 2 O C. Bleaching powder 3. CaOCl 2 D. Slaked lime 4. Ca OH 2

MEDIUM

10th CBSE

IMPORTANT

Earn 100

Match the chemical substances given in Column I with their appropriate application given in Column II.

Column I Column II

A. Bleaching powder 1. Preparation of glass

B. Baking soda 2. Production of $H_{2}$ and ${CI}_{2}$

C. Washing soda 3. Decolourisation

D. Sodium chloride 4. Antacid

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Important Questions on Acids, Bases and Salts

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Multiple Choice Questions (MCQs)>Q 26

Equal volume of hydrochloric acid and sodium hydroxide solution of same concentration are mixed and the

pH

of the resulting solution is checked with a

pH

paper. What would be the colour obtained?

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10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Multiple Choice Questions (MCQs)>Q 27

Which of the following is/are true when $HCI (g)$ is passed through water?

(i) It does not ionise in the solution as it is a covalent compound.

(ii) It ionises in the solution.

(iii) It gives both hydrogen and hydroxyl ion in the solution.

(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.

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10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Multiple Choice Questions (MCQs)>Q 28

Which of the following statement is true for acids?

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10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Multiple Choice Questions (MCQs)>Q 29

Which of the following are present in a dilute aqueous solution of hydrochloric acid?

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IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Multiple Choice Questions (MCQs)>Q 30

Identify the correct representation of reaction occurring during chlor-alkali process.

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Short Answer Type Questions>Q 31

Match the acids given in Column I with their correct source given in Column II

Column I	Column II
A. Lactic acid	1. Tomato
B. Acetic acid	2. Lemon
C. Citric acid	3. Vinegar
D. Oxalic acid	4. Curd

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Short Answer Type Questions>Q 32

Match the important chemicals given in Column I with formula given in Column II.

Column I	Column II
A. Plaster of Paris	1. $Ca {(OH)}_{2}$
B. Gypsum	2. ${CaSO}_{4} . \frac{1}{2} H_{2} O$
C. Bleaching powder	3. ${CaSO}_{4} . 2 H_{2} O$
D. Slaked lime	4. ${CaOCl}_{2}$

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 2 - Acids, Bases and Salts>Short Answer Type Questions>Q 33

What will be the action of the following substance on litmus paper? Dry

HCI

gas, moistened

{NH}_{3}

gas, lemon juice, Carbonated soft drink, curd, soap solution.

Column I	Column II
A. Bleaching powder	1. Preparation of glass
B. Baking soda	2. Production of $H_{2}$ and ${CI}_{2}$
C. Washing soda	3. Decolourisation
D. Sodium chloride	4. Antacid

Match the chemical substances given in Column I with their appropriate application given in Column II. Column I Column II A. Bleaching powder 1. Preparation of glass B. Baking soda 2. Production of H2 and CI2 C. Washing soda 3. Decolourisation D. Sodium chloride 4. Antacid

Important Questions on Acids, Bases and Salts

Learn and Prepare for any exam you want !

Match the chemical substances given in Column I with their appropriate application given in Column II.

Column I Column II

A. Bleaching powder 1. Preparation of glass

B. Baking soda 2. Production of $H_{2}$ and ${CI}_{2}$

C. Washing soda 3. Decolourisation

D. Sodium chloride 4. Antacid