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

647

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 1

1 / 10

What is the colour of methyl red in basic solution?

Yellow

Red

Orange

Pink

2 / 10

What is the colour of phenolphthalein in acidic medium?

Pink

Colourless

Red

Orange

3 / 10

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

Strongly acidic solution

Slightly basic solution

Slightly acidic solution

Strongly basic solution

4 / 10

At what pH does Phenolphthalein change its colour?

7

9

5.5

11

5 / 10

Which of the following is a Lewis base?

AlCl₃

BF₃

HCl

F^-

6 / 10

Which of the following cannot be classified as Arrhenius acid?

CO₂

H₂CO₃

H₂SO₄

HNO₃

7 / 10

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

HCl

H₃PO₄

H₂SO₄

HNO₃

8 / 10

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

Multiplying [H⁺] and [OH^-]

Multiplying [H⁺] and [H₂O]

Adding [H⁺] and [OH^-]

Dividing [H⁺] and [OH^-]

9 / 10

Acid rain has pH less than:

8.5

7.5

9.5

6.5

10 / 10

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

Pink

Red

Blue

Yellow

Your score is

The average score is 63%

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Practice MCQs Test No 2

434

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

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

N

B

H

BF₃

3 / 10

NH₃ cannot be classified as a base by:

Arrhenius Theory

Lewis Theory

All of these

Bronsted - Lowery Theory

4 / 10

Which of the following is a Lewis base?

Cl^-

HCl

AlCl₃

BF₃

5 / 10

_________ is used to make liquid soap and shaving cream.

Ca(OH)₂

Mg(OH)₂

NaOH

KOH

6 / 10

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

H₂O

Cl^-

H₃O⁺

HCl

7 / 10

What is the particular pH range at which potatoes grow?

5.5 - 6.5

5.5 - 7.0

6.5 - 7.5

6.0 - 7.5

8 / 10

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

Amphoteric

Acidic

Basic

Neutral

9 / 10

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

Acidic

Cannot be predicted

Neutral

Basic

10 / 10

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

0.2 M

2.0 M

10^-2 M

10² M

Your score is

The average score is 50%

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Practice MCQs Test No 3

337

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

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

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

3 / 10

What is the particular pH range at which carrots grow?

6.5 - 7.5

6.5 - 7.0

6.0 - 7.5

5.5 - 7.0

4 / 10

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

10^-8

10^-10

10^-9

10^-7

5 / 10

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

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

6 / 10

Which substance is used as antacid and laxative?

𝐾𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

𝐶𝑎(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

7 / 10

_________ is used to make mortar, plasters and cement.

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

8 / 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

9 / 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

10 / 10

The optimum pH range of a swimming pool is:

7.0 - 7.5

7.0 - 7.6

7.2 - 7.5

7.2 - 7.6

Your score is

The average score is 48%

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Practice MCQs Test No 4

274

Class 10 Chemistry
Chapter 10
Practice MCQs Test No 4

1 / 8

The main component of gastric juice in the stomach is:

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻₂𝑆𝑂₄

2 / 8

Ammonia is a base because it:

Ionizes in water to give 𝑂𝐻⁻ ions

Can accept proton

Can accept an electron pair

Contains OH group

3 / 8

What is the colour of methyl red in acidic medium?

Red

Pink

Colourless

Orange

4 / 8

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

𝑀𝑔𝑂

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑆𝑂₄

5 / 8

Chemical formula of Soda ash is:

𝐾𝑂𝐻

𝑁𝑎₂𝐶𝑂₃

𝑁𝑎𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

6 / 8

What is the colour of phenolphthalein in basic medium?

Pink

Colourless

Orange

Red

7 / 8

At what pH does methyl red change its colour?

9

11

5.5

7

8 / 8

Choose Lewis acid:

𝐶𝑁⁻

𝐻₂O

𝑁𝐻₃

𝐻⁺

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The average score is 54%

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MCQs Quiz Test No 1

492

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Class 10 Chemistry
Chapter 10
MCQs Quiz Test No 1

1 / 20

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

H₃PO₄

H₂SO₄

HCl

HNO₃

2 / 20

What is the particular pH range at which potatoes grow?

5.5 - 7.0

6.0 - 7.5

5.5 - 6.5

6.5 - 7.5

3 / 20

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

H₃O⁺

Cl^-

H₂O

HCl

4 / 20

At what pH does Phenolphthalein change its colour?

5.5

9

7

11

5 / 20

Green colour in firework is produced by the use of:

Ba(NO₃)₂

Ba(OH)₂

BaSO₄

BaCO₃

6 / 20

Acid rain has pH less than:

6.5

8.5

7.5

9.5

7 / 20

NH₃ cannot be classified as a base by:

All of these

Lewis Theory

Arrhenius Theory

Bronsted - Lowery Theory

8 / 20

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

H

BF₃

B

N

9 / 20

Which of the following is a Lewis base?

HCl

AlCl₃

BF₃

F^-

10 / 20

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

10^-2 M

0.2 M

10² M

2.0 M

11 / 20

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

Acidic

Basic

Amphoteric

Neutral

12 / 20

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

Neutral

Cannot be predicted

Acidic

Basic

13 / 20

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^-]

14 / 20

What is the colour of phenolphthalein in acidic medium?

Pink

Orange

Colourless

Red

15 / 20

What is the colour of methyl red in basic solution?

Orange

Yellow

Red

Pink

16 / 20

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

Strongly basic solution

Slightly basic solution

Strongly acidic solution

Slightly acidic solution

17 / 20

_________ is used to make liquid soap and shaving cream.

Ca(OH)₂

Mg(OH)₂

KOH

NaOH

18 / 20

Which of the following is a Lewis base?

AlCl₃

HCl

BF₃

Cl^-

19 / 20

Which of the following cannot be classified as Arrhenius acid?

HNO₃

H₂SO₄

CO₂

H₂CO₃

20 / 20

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

Yellow

Pink

Blue

Red

Your score is

The average score is 61%

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MCQs Quiz Test No 2

393

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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

5.5 - 7.0

6.0 - 7.5

6.5 - 7.5

2 / 18

What is the particular pH range at which tomatoes grow?

6.5 - 7.0

6.5 - 7.5

5.5 - 7.0

6.0 - 7.5

3 / 18

The main component of gastric juice in the stomach is:

𝐻𝑁𝑂₃

𝐻𝐶𝑙

𝐻₃𝑃𝑂₄

𝐻₂𝑆𝑂₄

4 / 18

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

𝐻₃𝑃𝑂₄

𝐻𝑁𝑂₃

𝐻𝐶𝑙

𝐻₂𝑆𝑂₄

5 / 18

_________ is used to make mortar, plasters and cement.

𝐾𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

6 / 18

What is the colour of phenolphthalein in basic medium?

Red

Pink

Colourless

Orange

7 / 18

What is the colour of methyl red in acidic medium?

Red

Colourless

Orange

Pink

8 / 18

What is the particular pH range at which carrots grow?

5.5 - 7.0

6.5 - 7.5

6.5 - 7.0

6.0 - 7.5

9 / 18

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

10 / 18

Chemical formula of Soda ash is:

𝐾𝑂𝐻

𝑁𝑎₂𝐶𝑂₃

𝑀𝑔(𝑂𝐻)₂

𝑁𝑎𝑂𝐻

11 / 18

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

𝐻₂𝑆𝑂₄

𝐻𝐶𝑙

𝐻𝑁𝑂₃

𝐻₃𝑃𝑂₄

12 / 18

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

10^-9

10^-10

10^-7

10^-8

13 / 18

The optimum pH range of a swimming pool is:

7.2 - 7.5

7.0 - 7.5

7.2 - 7.6

7.0 - 7.6

14 / 18

Which substance is used as antacid and laxative?

𝑁𝑎𝑂𝐻

𝐶𝑎(𝑂𝐻)₂

𝐾𝑂𝐻

𝑀𝑔(𝑂𝐻)₂

15 / 18

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

𝑀𝑔𝑂

𝑀𝑔𝐶𝑂₃

𝑀𝑔𝐶𝑙₂

𝑀𝑔𝑆𝑂₄

16 / 18

Ammonia is a base because it:

Contains OH group

Can accept proton

Can accept an electron pair

Ionizes in water to give 𝑂𝐻⁻ ions

17 / 18

At what pH does methyl red change its colour?

9

5.5

7

11

18 / 18

Choose Lewis acid:

𝐶𝑁⁻

𝑁𝐻₃

𝐻₂O

𝐻⁺

Your score is

The average score is 59%

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