Chemistry 10 Chapter 10 MCQs Tests

In this post, we have prepared 6 MCQs tests of Federal Board Chemistry 10 Chapter 10 MCQs Tests. For more Class 10 Chemistry MCQs Tests visit this page.

Chemistry 10 Chapter 10 MCQs Tests

Practice MCQs Test No 1

1677

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 1

1 / 10

Which of the following cannot be classified as Arrhenius acid?

H₂CO₃

CO₂

H₂SO₄

HNO₃

2 / 10

Which of the following is a Lewis base?

AlCl₃

BF₃

F^-

HCl

3 / 10

What is the colour of phenolphthalein in acidic medium?

Pink

Colourless

Red

Orange

4 / 10

What is the colour of methyl red in basic solution?

Yellow

Orange

Red

Pink

5 / 10

Acid rain has pH less than:

7.5

8.5

6.5

9.5

6 / 10

KW is called ionization constant of water. Its value can be obtained by:

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Adding [H⁺] and [OH^-]

Multiplying [H⁺] and [OH^-]

7 / 10

At what pH does Phenolphthalein change its colour?

11

9

7

5.5

8 / 10

The gastric juice has pH=1. It means a:

Slightly acidic solution

Strongly basic solution

Slightly basic solution

Strongly acidic solution

9 / 10

Which of the following acids is used in the manufacturing of many chemicals, drugs, dyes, paints and explosives?

H₂SO₄

HNO₃

H₃PO₄

HCl

10 / 10

Colour of methyl red in solution of pH=9 is:

Pink

Yellow

Blue

Red

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The average score is 65%

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Practice MCQs Test No 2

1172

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 2

1 / 10

Green colour in firework is produced by the use of:

BaSO₄

Ba(NO₃)₂

Ba(OH)₂

BaCO₃

2 / 10

What is the particular pH range at which potatoes grow?

6.0 - 7.5

6.5 - 7.5

5.5 - 6.5

5.5 - 7.0

3 / 10

NH₃ cannot be classified as a base by:

Bronsted - Lowery Theory

Lewis Theory

Arrhenius Theory

All of these

4 / 10

Which of the following is a Lewis base?

AlCl₃

HCl

BF₃

Cl^-

5 / 10

When [H⁺] < 1 × 10^-7 M, then solution will be:

Basic

Neutral

Amphoteric

Acidic

6 / 10

The pH of Lemon juice is '2’. The H⁺ ion concentration [H⁺] in the lemon juice is:

10^-2 M

0.2 M

2.0 M

10² M

7 / 10

In the following reaction which species is donating an electron pair?
NH₃ + BF₃ → H₃N-BF₃

N

B

BF₃

H

8 / 10

Consider the following reaction, H₂O + HCl ⇌ H₃O⁺ + Cl^-, which species is an electron pair acceptor in this reaction?

HCl

H₂O

Cl^-

H₃O⁺

9 / 10

A drain cleaner solution contains 1.0 × 10^-8 M, OH^- concentration. This solution is:

Cannot be predicted

Neutral

Acidic

Basic

10 / 10

_________ is used to make liquid soap and shaving cream.

Ca(OH)₂

KOH

NaOH

Mg(OH)₂

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The average score is 53%

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Practice MCQs Test No 3

936

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 3

1 / 10

What is the concentration of 𝐻⁺ ion in the milk of magnesia?

10^-7

10^-8

10^-9

10^-10

2 / 10

What is the particular pH range at which apples grow?

6.5 - 7.0

6.5 - 7.5

6.0 - 7.5

5.5 - 7.0

3 / 10

What is the particular pH range at which carrots grow?

6.5 - 7.5

5.5 - 7.0

6.5 - 7.0

6.0 - 7.5

4 / 10

Which of the following acids is used in the manufacturing of fertilizers and explosives?

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

5 / 10

Which of the following acid is used for cleaning of metals, bricks and removing scale from boilers?

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

6 / 10

Which substance is used as antacid and laxative?

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

7 / 10

What is the particular pH range at which onions grow?

6.5 - 7.0

6.5 - 7.5

6.0 - 7.5

5.5 - 7.0

8 / 10

What is the particular pH range at which tomatoes grow?

6.5 - 7.0

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

9 / 10

_________ is used to make mortar, plasters and cement.

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

10 / 10

The optimum pH range of a swimming pool is:

7.2 - 7.5

7.0 - 7.6

7.2 - 7.6

7.0 - 7.5

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The average score is 51%

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Practice MCQs Test No 4

740

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 4

1 / 8

The main component of gastric juice in the stomach is:

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

2 / 8

What is the colour of methyl red in acidic medium?

Orange

Red

Pink

Colourless

3 / 8

Choose Lewis acid:

𝐶𝑁⁻

𝐻⁺

𝐻₂O

𝑁𝐻₃

4 / 8

At what pH does methyl red change its colour?

7

11

5.5

9

5 / 8

What is the colour of phenolphthalein in basic medium?

Colourless

Orange

Red

Pink

6 / 8

Chemical formula of Soda ash is:

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

𝑁𝑎₂𝐶𝑂₃

7 / 8

Ammonia is a base because it:

Can accept proton

Can accept an electron pair

Contains OH group

Ionizes in water to give 𝑂𝐻⁻ ions

8 / 8

Milk of magnesia neutralizes excess stomach acid, which salt is formed in this reaction?

𝑀𝑔𝑆𝑂₄

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑂

𝑀𝑔𝐶𝑂₃

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The average score is 59%

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MCQs Quiz Test No 1

1348

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Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 1

1 / 20

The gastric juice has pH=1. It means a:

Strongly basic solution

Strongly acidic solution

Slightly basic solution

Slightly acidic solution

2 / 20

Which of the following is a Lewis base?

HCl

AlCl₃

Cl^-

BF₃

3 / 20

Consider the following reaction, H₂O + HCl ⇌ H₃O⁺ + Cl^-, which species is an electron pair acceptor in this reaction?

Cl^-

HCl

H₃O⁺

H₂O

4 / 20

_________ is used to make liquid soap and shaving cream.

Mg(OH)₂

Ca(OH)₂

KOH

NaOH

5 / 20

Acid rain has pH less than:

9.5

6.5

8.5

7.5

6 / 20

What is the colour of phenolphthalein in acidic medium?

Orange

Pink

Colourless

Red

7 / 20

KW is called ionization constant of water. Its value can be obtained by:

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Multiplying [H⁺] and [OH^-]

Adding [H⁺] and [OH^-]

8 / 20

What is the particular pH range at which potatoes grow?

6.5 - 7.5

5.5 - 6.5

6.0 - 7.5

5.5 - 7.0

9 / 20

What is the colour of methyl red in basic solution?

Yellow

Pink

Red

Orange

10 / 20

When [H⁺] < 1 × 10^-7 M, then solution will be:

Neutral

Amphoteric

Acidic

Basic

11 / 20

In the following reaction which species is donating an electron pair?
NH₃ + BF₃ → H₃N-BF₃

BF₃

N

B

H

12 / 20

Which of the following acids is used in the manufacturing of many chemicals, drugs, dyes, paints and explosives?

H₂SO₄

HNO₃

H₃PO₄

HCl

13 / 20

Which of the following cannot be classified as Arrhenius acid?

CO₂

H₂CO₃

HNO₃

H₂SO₄

14 / 20

The pH of Lemon juice is '2’. The H⁺ ion concentration [H⁺] in the lemon juice is:

0.2 M

10² M

10^-2 M

2.0 M

15 / 20

Colour of methyl red in solution of pH=9 is:

Blue

Pink

Red

Yellow

16 / 20

A drain cleaner solution contains 1.0 × 10^-8 M, OH^- concentration. This solution is:

Acidic

Neutral

Basic

Cannot be predicted

17 / 20

Green colour in firework is produced by the use of:

BaSO₄

Ba(NO₃)₂

BaCO₃

Ba(OH)₂

18 / 20

At what pH does Phenolphthalein change its colour?

11

9

7

5.5

19 / 20

Which of the following is a Lewis base?

HCl

F^-

AlCl₃

BF₃

20 / 20

NH₃ cannot be classified as a base by:

Arrhenius Theory

All of these

Bronsted - Lowery Theory

Lewis Theory

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The average score is 64%

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MCQs Quiz Test No 2

1096

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Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 2

1 / 18

What is the colour of methyl red in acidic medium?

Red

Pink

Colourless

Orange

2 / 18

At what pH does methyl red change its colour?

7

9

5.5

11

3 / 18

What is the concentration of 𝐻⁺ ion in the milk of magnesia?

10^-9

10^-8

10^-10

10^-7

4 / 18

_________ is used to make mortar, plasters and cement.

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

5 / 18

What is the particular pH range at which carrots grow?

6.5 - 7.0

6.5 - 7.5

6.0 - 7.5

5.5 - 7.0

6 / 18

Which of the following acid is used for cleaning of metals, bricks and removing scale from boilers?

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

7 / 18

The main component of gastric juice in the stomach is:

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

8 / 18

Which of the following acids is used in the manufacturing of fertilizers and explosives?

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

9 / 18

What is the particular pH range at which apples grow?

6.5 - 7.5

6.0 - 7.5

5.5 - 7.0

6.5 - 7.0

10 / 18

Ammonia is a base because it:

Can accept an electron pair

Contains OH group

Can accept proton

Ionizes in water to give 𝑂𝐻⁻ ions

11 / 18

What is the particular pH range at which tomatoes grow?

6.5 - 7.0

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

12 / 18

Choose Lewis acid:

𝐶𝑁⁻

𝐻₂O

𝑁𝐻₃

𝐻⁺

13 / 18

Milk of magnesia neutralizes excess stomach acid, which salt is formed in this reaction?

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝑂

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑆𝑂₄

14 / 18

Chemical formula of Soda ash is:

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎₂𝐶𝑂₃

15 / 18

Which substance is used as antacid and laxative?

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

16 / 18

The optimum pH range of a swimming pool is:

7.0 - 7.6

7.0 - 7.5

7.2 - 7.6

7.2 - 7.5

17 / 18

What is the colour of phenolphthalein in basic medium?

Pink

Red

Orange

Colourless

18 / 18

What is the particular pH range at which onions grow?

5.5 - 7.0

6.0 - 7.5

6.5 - 7.5

6.5 - 7.0

Your score is

The average score is 61%

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0%

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