Chemistry 10 Chapter 12 MCQs Tests

In this post, we have prepared 2 MCQs tests of Federal Board Chemistry 10 Chapter 12 MCQs Tests. For more Class 10 Chemistry MCQs Tests visit this page.

Chemistry 10 Chapter 12 MCQs Tests

Practice MCQs Test No 1

201

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethane

Ethyne

Ethene

Ethylalcohol

2 / 10

Which of the following is evolved during the ripening of fruits and vegetables?

Ethene

Ethanal

Methane

Ethane

3 / 10

Which of the following is used for dehydrohalogenation of alkyl halides?

Al₂O₃

Alcoholic KOH

Conc. H₂ SO₄

Br₂ water

4 / 10

By dehydration we mean the removal of:

H₂

H₂O₂

H₂O

HCl

5 / 10

The reduction of alkyl halides takes place in the presence of:

Al₂O₃ at 350°C

Zinc + Dust

Conc. H₂SO₄ at 170°C

Zn + HCl

6 / 10

Which of the following reacts explosively with methane?

I₂

Br₂

Cl₂

F₂

7 / 10

Which of the following is used as domestic fuel?

Methane

Ethanol

Chloroform

Ethyne

8 / 10

Which process produces an alkane?

Combustion

Hydration

Dehydration

Hydrogenation

9 / 10

Which of the following reacts with concentrated alkaline KMnO₄ to produce oxalic acid?

Ethene

Ethanol

Ethyne

Ethane

10 / 10

The general formula of alkane is:

C_nH_2n+3

C_nH_2n

C_nH_2n+2

C_nH_2n+1

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The average score is 62%

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Practice MCQs Test No 2

172

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

Which product is obtained when chloromethane (or methyl chloride) is reduced?

Ethyne

Methane

Ethene

Ethane

2 / 10

The general formula of alkynes is:

C_nH_2n-1

C_nH_2n+2

C_nH_2n

C_nH_2n-2

3 / 10

Ethylene is also known as:

Ethane

Methane

Ethyne

Ethene

4 / 10

Which of the following substance reacts with KMnO₄ to produce ethyleneglycol?

Ethene

Ethyne

Ethane

Acetylene

5 / 10

_________ is used as an anti-freeze.

Ethyne

Ethylene

Ethylene glycol

Vicinal dihalide

6 / 10

__________ is used to manufacture urea fertilizer.

Methane

Ethyne

Ethane

Ethene

7 / 10

Acetylene is also known as:

Ethane

Methane

Ethyne

Ethene

8 / 10

What percent of an alkaline aqueous solution of KMnO₄ is used to detect the presence of an Alkene?

0.01%

1%

0.001%

0.1%

9 / 10

The red color of tomatoes is due to an _______ called Lycopene.

Alkane

Alkyne

Alkene

Alcohol

10 / 10

Complete the following reaction:

\( CH\equiv CH+{ H }_{ 2 }^{ \quad }\xrightarrow [ Ni ]{ 200-300{°C} } \)

\( { CH }_{ 2 }-{ CH }_{ 2 } \)

\( { CH }_{ 3 }-{ CH }_{ 3 } \)

\( { CH }_{ 2 }={ CH }_{ 2 } \)

\( { CH }_{ 2 }\equiv { CH }_{ 2 } \)

Your score is

The average score is 58%

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