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

289

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 1

1 / 10

At what pH does Phenolphthalein change its colour?

7

9

5.5

11

2 / 10

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

Yellow

Red

Pink

Blue

3 / 10

Which of the following is a Lewis base?

AlCl₃

BF₃

HCl

F^-

4 / 10

Acid rain has pH less than:

7.5

6.5

8.5

9.5

5 / 10

Which of the following cannot be classified as Arrhenius acid?

CO₂

H₂CO₃

H₂SO₄

HNO₃

6 / 10

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

H₂SO₄

H₃PO₄

HCl

HNO₃

7 / 10

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

Adding [H⁺] and [OH^-]

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Multiplying [H⁺] and [OH^-]

8 / 10

What is the colour of methyl red in basic solution?

Orange

Pink

Yellow

Red

9 / 10

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

Slightly basic solution

Strongly acidic solution

Strongly basic solution

Slightly acidic solution

10 / 10

What is the colour of phenolphthalein in acidic medium?

Pink

Red

Orange

Colourless

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The average score is 60%

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Practice MCQs Test No 2

181

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 2

1 / 10

What is the particular pH range at which potatoes grow?

6.5 - 7.5

5.5 - 6.5

5.5 - 7.0

6.0 - 7.5

2 / 10

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

Acidic

Basic

Neutral

Amphoteric

3 / 10

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

Acidic

Neutral

Basic

Cannot be predicted

4 / 10

Which of the following is a Lewis base?

BF₃

HCl

Cl^-

AlCl₃

5 / 10

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

2.0 M

0.2 M

10² M

10^-2 M

6 / 10

Green colour in firework is produced by the use of:

Ba(NO₃)₂

BaCO₃

Ba(OH)₂

BaSO₄

7 / 10

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

H₂O

H₃O⁺

Cl^-

HCl

8 / 10

NH₃ cannot be classified as a base by:

All of these

Lewis Theory

Arrhenius Theory

Bronsted - Lowery Theory

9 / 10

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

H

N

B

BF₃

10 / 10

_________ is used to make liquid soap and shaving cream.

NaOH

Ca(OH)₂

Mg(OH)₂

KOH

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The average score is 48%

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Practice MCQs Test No 3

130

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 3

1 / 10

The optimum pH range of a swimming pool is:

7.2 - 7.5

7.0 - 7.5

7.0 - 7.6

7.2 - 7.6

2 / 10

_________ is used to make mortar, plasters and cement.

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

3 / 10

Which substance is used as antacid and laxative?

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐶𝑎(𝑂𝐻)₂

4 / 10

What is the particular pH range at which tomatoes grow?

5.5 - 7.0

6.5 - 7.0

6.5 - 7.5

6.0 - 7.5

5 / 10

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

10^-8

10^-10

10^-7

10^-9

6 / 10

What is the particular pH range at which apples grow?

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

6.5 - 7.0

7 / 10

What is the particular pH range at which carrots grow?

6.5 - 7.5

6.0 - 7.5

5.5 - 7.0

6.5 - 7.0

8 / 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

9 / 10

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

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻𝐶𝑙

𝐻₂𝑆𝑂₄

10 / 10

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

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

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The average score is 44%

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Practice MCQs Test No 4

103

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 4

1 / 8

Ammonia is a base because it:

Can accept proton

Contains OH group

Ionizes in water to give 𝑂𝐻⁻ ions

Can accept an electron pair

2 / 8

Choose Lewis acid:

𝑁𝐻₃

𝐻⁺

𝐶𝑁⁻

𝐻₂O

3 / 8

At what pH does methyl red change its colour?

9

7

11

5.5

4 / 8

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

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝑂

𝑀𝑔𝑆𝑂₄

5 / 8

What is the colour of methyl red in acidic medium?

Colourless

Red

Pink

Orange

6 / 8

What is the colour of phenolphthalein in basic medium?

Red

Pink

Colourless

Orange

7 / 8

The main component of gastric juice in the stomach is:

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

8 / 8

Chemical formula of Soda ash is:

𝑁𝑎₂𝐶𝑂₃

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

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The average score is 51%

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MCQs Quiz Test No 1

161

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 1

1 / 20

What is the colour of phenolphthalein in acidic medium?

Pink

Red

Orange

Colourless

2 / 20

Which of the following cannot be classified as Arrhenius acid?

HNO₃

H₂SO₄

CO₂

H₂CO₃

3 / 20

Green colour in firework is produced by the use of:

Ba(OH)₂

BaCO₃

BaSO₄

Ba(NO₃)₂

4 / 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

5 / 20

Acid rain has pH less than:

9.5

8.5

7.5

6.5

6 / 20

_________ is used to make liquid soap and shaving cream.

KOH

NaOH

Ca(OH)₂

Mg(OH)₂

7 / 20

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

HCl

H₂O

H₃O⁺

Cl^-

8 / 20

Which of the following is a Lewis base?

F^-

BF₃

AlCl₃

HCl

9 / 20

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

H₂SO₄

HNO₃

HCl

H₃PO₄

10 / 20

NH₃ cannot be classified as a base by:

All of these

Bronsted - Lowery Theory

Lewis Theory

Arrhenius Theory

11 / 20

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

Strongly basic solution

Strongly acidic solution

Slightly basic solution

Slightly acidic solution

12 / 20

What is the colour of methyl red in basic solution?

Yellow

Pink

Orange

Red

13 / 20

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

BF₃

H

N

B

14 / 20

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

Acidic

Neutral

Basic

Amphoteric

15 / 20

Which of the following is a Lewis base?

AlCl₃

Cl^-

HCl

BF₃

16 / 20

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

10² M

0.2 M

10^-2 M

2.0 M

17 / 20

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

Multiplying [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Dividing [H⁺] and [OH^-]

Adding [H⁺] and [OH^-]

18 / 20

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

Basic

Cannot be predicted

Acidic

Neutral

19 / 20

At what pH does Phenolphthalein change its colour?

7

9

5.5

11

20 / 20

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

Red

Pink

Blue

Yellow

Your score is

The average score is 60%

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MCQs Quiz Test No 2

123

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 2

1 / 18

At what pH does methyl red change its colour?

7

5.5

11

9

2 / 18

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

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

3 / 18

Ammonia is a base because it:

Ionizes in water to give 𝑂𝐻⁻ ions

Can accept an electron pair

Contains OH group

Can accept proton

4 / 18

What is the particular pH range at which apples grow?

5.5 - 7.0

6.5 - 7.0

6.0 - 7.5

6.5 - 7.5

5 / 18

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

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑂

𝑀𝑔𝑆𝑂₄

𝑀𝑔𝐶𝑂₃

6 / 18

The main component of gastric juice in the stomach is:

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

7 / 18

What is the particular pH range at which onions grow?

6.0 - 7.5

6.5 - 7.0

6.5 - 7.5

5.5 - 7.0

8 / 18

What is the colour of methyl red in acidic medium?

Colourless

Red

Pink

Orange

9 / 18

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

10^-7

10^-8

10^-10

10^-9

10 / 18

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

𝐻₂𝑆𝑂₄

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻𝐶𝑙

11 / 18

What is the colour of phenolphthalein in basic medium?

Orange

Colourless

Red

Pink

12 / 18

Chemical formula of Soda ash is:

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎₂𝐶𝑂₃

13 / 18

What is the particular pH range at which carrots grow?

6.5 - 7.0

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

14 / 18

What is the particular pH range at which tomatoes grow?

6.5 - 7.5

5.5 - 7.0

6.5 - 7.0

6.0 - 7.5

15 / 18

Which substance is used as antacid and laxative?

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

16 / 18

Choose Lewis acid:

𝐻⁺

𝐶𝑁⁻

𝐻₂O

𝑁𝐻₃

17 / 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

18 / 18

_________ is used to make mortar, plasters and cement.

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

Your score is

The average score is 58%

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