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

195

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 1

1 / 10

Which of the following is a Lewis base?

HCl

BF₃

AlCl₃

F^-

2 / 10

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

Slightly acidic solution

Slightly basic solution

Strongly acidic solution

Strongly basic solution

3 / 10

What is the colour of phenolphthalein in acidic medium?

Colourless

Red

Orange

Pink

4 / 10

Which of the following cannot be classified as Arrhenius acid?

CO₂

H₂SO₄

HNO₃

H₂CO₃

5 / 10

What is the colour of methyl red in basic solution?

Red

Pink

Orange

Yellow

6 / 10

At what pH does Phenolphthalein change its colour?

5.5

11

7

9

7 / 10

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

H₂SO₄

H₃PO₄

HCl

HNO₃

8 / 10

Acid rain has pH less than:

6.5

7.5

9.5

8.5

9 / 10

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

Multiplying [H⁺] and [H₂O]

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [OH^-]

Adding [H⁺] and [OH^-]

10 / 10

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

Pink

Blue

Red

Yellow

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The average score is 59%

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Practice MCQs Test No 2

125

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 2

1 / 10

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

10² M

10^-2 M

0.2 M

2.0 M

2 / 10

Which of the following is a Lewis base?

BF₃

AlCl₃

Cl^-

HCl

3 / 10

Green colour in firework is produced by the use of:

Ba(NO₃)₂

Ba(OH)₂

BaCO₃

BaSO₄

4 / 10

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

Neutral

Amphoteric

Basic

Acidic

5 / 10

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

Basic

Cannot be predicted

Neutral

Acidic

6 / 10

NH₃ cannot be classified as a base by:

Lewis Theory

Arrhenius Theory

All of these

Bronsted - Lowery Theory

7 / 10

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

H₃O⁺

H₂O

Cl^-

HCl

8 / 10

_________ is used to make liquid soap and shaving cream.

NaOH

Ca(OH)₂

KOH

Mg(OH)₂

9 / 10

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

H

N

B

BF₃

10 / 10

What is the particular pH range at which potatoes grow?

5.5 - 7.0

5.5 - 6.5

6.0 - 7.5

6.5 - 7.5

Your score is

The average score is 48%

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Practice MCQs Test No 3

93

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 3

1 / 10

Which substance is used as antacid and laxative?

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

2 / 10

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

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

3 / 10

What is the particular pH range at which carrots grow?

6.5 - 7.0

6.0 - 7.5

6.5 - 7.5

5.5 - 7.0

4 / 10

_________ is used to make mortar, plasters and cement.

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

5 / 10

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

10^-9

10^-7

10^-8

10^-10

6 / 10

The optimum pH range of a swimming pool is:

7.0 - 7.6

7.0 - 7.5

7.2 - 7.5

7.2 - 7.6

7 / 10

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

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

8 / 10

What is the particular pH range at which onions grow?

6.5 - 7.0

6.0 - 7.5

5.5 - 7.0

6.5 - 7.5

9 / 10

What is the particular pH range at which apples grow?

6.5 - 7.5

6.5 - 7.0

5.5 - 7.0

6.0 - 7.5

10 / 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

Your score is

The average score is 44%

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Practice MCQs Test No 4

75

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 4

1 / 8

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

𝑀𝑔𝑂

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝑆𝑂₄

2 / 8

Chemical formula of Soda ash is:

𝐾𝑂𝐻

𝑁𝑎₂𝐶𝑂₃

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

3 / 8

Ammonia is a base because it:

Can accept an electron pair

Can accept proton

Contains OH group

Ionizes in water to give 𝑂𝐻⁻ ions

4 / 8

At what pH does methyl red change its colour?

9

5.5

11

7

5 / 8

Choose Lewis acid:

𝐶𝑁⁻

𝐻⁺

𝑁𝐻₃

𝐻₂O

6 / 8

What is the colour of phenolphthalein in basic medium?

Orange

Pink

Red

Colourless

7 / 8

What is the colour of methyl red in acidic medium?

Pink

Colourless

Orange

Red

8 / 8

The main component of gastric juice in the stomach is:

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

Your score is

The average score is 52%

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MCQs Quiz Test No 1

110

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 1

1 / 20

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

Dividing [H⁺] and [OH^-]

Multiplying [H⁺] and [OH^-]

Adding [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

2 / 20

Which of the following cannot be classified as Arrhenius acid?

CO₂

H₂CO₃

H₂SO₄

HNO₃

3 / 20

Green colour in firework is produced by the use of:

BaCO₃

BaSO₄

Ba(OH)₂

Ba(NO₃)₂

4 / 20

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

Cl^-

H₂O

H₃O⁺

HCl

5 / 20

_________ is used to make liquid soap and shaving cream.

NaOH

Mg(OH)₂

Ca(OH)₂

KOH

6 / 20

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

Red

Blue

Pink

Yellow

7 / 20

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

H₂SO₄

HCl

HNO₃

H₃PO₄

8 / 20

At what pH does Phenolphthalein change its colour?

7

5.5

11

9

9 / 20

Which of the following is a Lewis base?

HCl

AlCl₃

Cl^-

BF₃

10 / 20

What is the colour of methyl red in basic solution?

Red

Pink

Orange

Yellow

11 / 20

What is the colour of phenolphthalein in acidic medium?

Colourless

Orange

Red

Pink

12 / 20

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

Strongly acidic solution

Slightly acidic solution

Strongly basic solution

Slightly basic solution

13 / 20

Acid rain has pH less than:

7.5

9.5

8.5

6.5

14 / 20

What is the particular pH range at which potatoes grow?

5.5 - 6.5

6.5 - 7.5

5.5 - 7.0

6.0 - 7.5

15 / 20

Which of the following is a Lewis base?

BF₃

HCl

F^-

AlCl₃

16 / 20

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

Neutral

Basic

Acidic

Amphoteric

17 / 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

18 / 20

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

Cannot be predicted

Neutral

Acidic

Basic

19 / 20

NH₃ cannot be classified as a base by:

Lewis Theory

Bronsted - Lowery Theory

Arrhenius Theory

All of these

20 / 20

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

B

BF₃

H

N

Your score is

The average score is 62%

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MCQs Quiz Test No 2

89

---

Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 2

1 / 18

What is the particular pH range at which onions grow?

6.5 - 7.0

6.5 - 7.5

5.5 - 7.0

6.0 - 7.5

2 / 18

The main component of gastric juice in the stomach is:

𝐻𝐶𝑙

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

3 / 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

4 / 18

Chemical formula of Soda ash is:

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎₂𝐶𝑂₃

5 / 18

Ammonia is a base because it:

Can accept proton

Can accept an electron pair

Contains OH group

Ionizes in water to give 𝑂𝐻⁻ ions

6 / 18

Which substance is used as antacid and laxative?

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

7 / 18

What is the particular pH range at which apples grow?

6.5 - 7.0

5.5 - 7.0

6.0 - 7.5

6.5 - 7.5

8 / 18

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

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

9 / 18

Choose Lewis acid:

𝑁𝐻₃

𝐶𝑁⁻

𝐻⁺

𝐻₂O

10 / 18

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

𝐻₂𝑆𝑂₄

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻𝐶𝑙

11 / 18

The optimum pH range of a swimming pool is:

7.0 - 7.5

7.2 - 7.6

7.0 - 7.6

7.2 - 7.5

12 / 18

What is the particular pH range at which carrots grow?

6.5 - 7.0

5.5 - 7.0

6.0 - 7.5

6.5 - 7.5

13 / 18

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

10^-9

10^-7

10^-8

10^-10

14 / 18

What is the colour of methyl red in acidic medium?

Colourless

Red

Orange

Pink

15 / 18

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

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝑂

𝑀𝑔𝑆𝑂₄

16 / 18

_________ is used to make mortar, plasters and cement.

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

𝐾𝑂𝐻

17 / 18

What is the colour of phenolphthalein in basic medium?

Red

Orange

Colourless

Pink

18 / 18

At what pH does methyl red change its colour?

7

9

5.5

11

Your score is

The average score is 61%

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0%

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