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

1674

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 1

1 / 10

At what pH does Phenolphthalein change its colour?

9

11

7

5.5

2 / 10

Acid rain has pH less than:

8.5

7.5

9.5

6.5

3 / 10

What is the colour of methyl red in basic solution?

Red

Yellow

Orange

Pink

4 / 10

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

Pink

Blue

Red

Yellow

5 / 10

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

Slightly acidic solution

Strongly acidic solution

Slightly basic solution

Strongly basic solution

6 / 10

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

Dividing [H⁺] and [OH^-]

Adding [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Multiplying [H⁺] and [OH^-]

7 / 10

Which of the following cannot be classified as Arrhenius acid?

H₂CO₃

CO₂

HNO₃

H₂SO₄

8 / 10

Which of the following is a Lewis base?

HCl

BF₃

AlCl₃

F^-

9 / 10

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

H₂SO₄

H₃PO₄

HNO₃

HCl

10 / 10

What is the colour of phenolphthalein in acidic medium?

Red

Colourless

Pink

Orange

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The average score is 65%

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Practice MCQs Test No 2

1170

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 2

1 / 10

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

Cl^-

H₃O⁺

H₂O

HCl

2 / 10

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

Acidic

Cannot be predicted

Neutral

Basic

3 / 10

Green colour in firework is produced by the use of:

Ba(OH)₂

BaSO₄

Ba(NO₃)₂

BaCO₃

4 / 10

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

0.2 M

2.0 M

10² M

10^-2 M

5 / 10

Which of the following is a Lewis base?

HCl

BF₃

AlCl₃

Cl^-

6 / 10

What is the particular pH range at which potatoes grow?

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

5.5 - 6.5

7 / 10

_________ is used to make liquid soap and shaving cream.

NaOH

Mg(OH)₂

Ca(OH)₂

KOH

8 / 10

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

N

BF₃

H

B

9 / 10

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

Amphoteric

Basic

Neutral

Acidic

10 / 10

NH₃ cannot be classified as a base by:

Lewis Theory

Bronsted - Lowery Theory

All of these

Arrhenius Theory

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The average score is 53%

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Practice MCQs Test No 3

935

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 3

1 / 10

What is the particular pH range at which onions grow?

6.0 - 7.5

6.5 - 7.5

5.5 - 7.0

6.5 - 7.0

2 / 10

The optimum pH range of a swimming pool is:

7.2 - 7.6

7.0 - 7.6

7.2 - 7.5

7.0 - 7.5

3 / 10

Which substance is used as antacid and laxative?

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

4 / 10

What is the particular pH range at which carrots grow?

6.0 - 7.5

5.5 - 7.0

6.5 - 7.0

6.5 - 7.5

5 / 10

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

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

6 / 10

_________ is used to make mortar, plasters and cement.

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

7 / 10

What is the particular pH range at which tomatoes grow?

6.5 - 7.0

6.0 - 7.5

5.5 - 7.0

6.5 - 7.5

8 / 10

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

10^-9

10^-7

10^-8

10^-10

9 / 10

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

𝐻𝐶𝑙

𝐻₂𝑆𝑂₄

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

10 / 10

What is the particular pH range at which apples grow?

6.0 - 7.5

5.5 - 7.0

6.5 - 7.0

6.5 - 7.5

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The average score is 51%

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Practice MCQs Test No 4

739

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 4

1 / 8

What is the colour of methyl red in acidic medium?

Colourless

Red

Orange

Pink

2 / 8

Choose Lewis acid:

𝐻₂O

𝐶𝑁⁻

𝐻⁺

𝑁𝐻₃

3 / 8

Chemical formula of Soda ash is:

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

𝐾𝑂𝐻

𝑁𝑎₂𝐶𝑂₃

4 / 8

The main component of gastric juice in the stomach is:

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

5 / 8

Ammonia is a base because it:

Contains OH group

Can accept an electron pair

Can accept proton

Ionizes in water to give 𝑂𝐻⁻ ions

6 / 8

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

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑂

𝑀𝑔𝑆𝑂₄

𝑀𝑔𝐶𝑂₃

7 / 8

At what pH does methyl red change its colour?

11

7

9

5.5

8 / 8

What is the colour of phenolphthalein in basic medium?

Pink

Colourless

Orange

Red

Your score is

The average score is 60%

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MCQs Quiz Test No 1

1346

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 1

1 / 20

NH₃ cannot be classified as a base by:

Arrhenius Theory

All of these

Lewis Theory

Bronsted - Lowery Theory

2 / 20

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

10² M

2.0 M

10^-2 M

0.2 M

3 / 20

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

Acidic

Basic

Neutral

Amphoteric

4 / 20

What is the colour of phenolphthalein in acidic medium?

Colourless

Red

Pink

Orange

5 / 20

Which of the following cannot be classified as Arrhenius acid?

H₂CO₃

HNO₃

H₂SO₄

CO₂

6 / 20

What is the colour of methyl red in basic solution?

Yellow

Red

Pink

Orange

7 / 20

Which of the following is a Lewis base?

BF₃

F^-

AlCl₃

HCl

8 / 20

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

Strongly basic solution

Slightly acidic solution

Strongly acidic solution

Slightly basic solution

9 / 20

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

10 / 20

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

Multiplying [H⁺] and [OH^-]

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Adding [H⁺] and [OH^-]

11 / 20

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

H

N

B

BF₃

12 / 20

Which of the following is a Lewis base?

AlCl₃

BF₃

HCl

Cl^-

13 / 20

Green colour in firework is produced by the use of:

Ba(OH)₂

BaSO₄

BaCO₃

Ba(NO₃)₂

14 / 20

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

Cl^-

H₃O⁺

H₂O

HCl

15 / 20

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

Red

Yellow

Blue

Pink

16 / 20

Acid rain has pH less than:

8.5

6.5

7.5

9.5

17 / 20

_________ is used to make liquid soap and shaving cream.

NaOH

Mg(OH)₂

Ca(OH)₂

KOH

18 / 20

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

Acidic

Cannot be predicted

Neutral

Basic

19 / 20

At what pH does Phenolphthalein change its colour?

11

5.5

9

7

20 / 20

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

H₃PO₄

HCl

H₂SO₄

HNO₃

Your score is

The average score is 65%

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MCQs Quiz Test No 2

1094

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 2

1 / 18

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

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

𝐻₂𝑆𝑂₄

2 / 18

Chemical formula of Soda ash is:

𝑁𝑎₂𝐶𝑂₃

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

3 / 18

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

𝑀𝑔𝑆𝑂₄

𝑀𝑔𝑂

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝐶𝑂₃

4 / 18

What is the colour of methyl red in acidic medium?

Colourless

Orange

Red

Pink

5 / 18

The optimum pH range of a swimming pool is:

7.0 - 7.5

7.2 - 7.6

7.2 - 7.5

7.0 - 7.6

6 / 18

What is the particular pH range at which apples grow?

6.5 - 7.0

6.5 - 7.5

5.5 - 7.0

6.0 - 7.5

7 / 18

_________ is used to make mortar, plasters and cement.

𝑀𝑔(𝑂𝐻)₂

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

8 / 18

What is the particular pH range at which onions grow?

5.5 - 7.0

6.5 - 7.5

6.5 - 7.0

6.0 - 7.5

9 / 18

At what pH does methyl red change its colour?

7

5.5

11

9

10 / 18

Ammonia is a base because it:

Ionizes in water to give 𝑂𝐻⁻ ions

Contains OH group

Can accept an electron pair

Can accept proton

11 / 18

What is the particular pH range at which carrots grow?

5.5 - 7.0

6.0 - 7.5

6.5 - 7.5

6.5 - 7.0

12 / 18

What is the particular pH range at which tomatoes grow?

6.0 - 7.5

6.5 - 7.0

5.5 - 7.0

6.5 - 7.5

13 / 18

Which substance is used as antacid and laxative?

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

14 / 18

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

10^-7

10^-8

10^-10

10^-9

15 / 18

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

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

16 / 18

The main component of gastric juice in the stomach is:

𝐻𝑁𝑂₃

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

17 / 18

What is the colour of phenolphthalein in basic medium?

Orange

Colourless

Pink

Red

18 / 18

Choose Lewis acid:

𝑁𝐻₃

𝐻⁺

𝐶𝑁⁻

𝐻₂O

Your score is

The average score is 61%

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