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

199

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

Which of the following is used as domestic fuel?

Ethyne

Chloroform

Methane

Ethanol

2 / 10

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

Ethene

Methane

Ethanal

Ethane

3 / 10

Which process produces an alkane?

Combustion

Hydration

Dehydration

Hydrogenation

4 / 10

The general formula of alkane is:

C_nH_2n

C_nH_2n+1

C_nH_2n+2

C_nH_2n+3

5 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethylalcohol

Ethyne

Ethane

Ethene

6 / 10

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

Zn + HCl

Conc. H₂SO₄ at 170°C

Zinc + Dust

Al₂O₃ at 350°C

7 / 10

Which of the following reacts explosively with methane?

Br₂

I₂

F₂

Cl₂

8 / 10

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

Al₂O₃

Br₂ water

Alcoholic KOH

Conc. H₂ SO₄

9 / 10

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

Ethane

Ethanol

Ethene

Ethyne

10 / 10

By dehydration we mean the removal of:

H₂

H₂O₂

HCl

H₂O

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The average score is 62%

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Practice MCQs Test No 2

171

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

The general formula of alkynes is:

C_nH_2n

C_nH_2n-1

C_nH_2n-2

C_nH_2n+2

2 / 10

_________ is used as an anti-freeze.

Ethylene

Ethylene glycol

Ethyne

Vicinal dihalide

3 / 10

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

Alkane

Alkyne

Alkene

Alcohol

4 / 10

Complete the following reaction:

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

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

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

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

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

5 / 10

Ethylene is also known as:

Ethane

Ethyne

Ethene

Methane

6 / 10

__________ is used to manufacture urea fertilizer.

Ethene

Methane

Ethane

Ethyne

7 / 10

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

Ethene

Ethane

Ethyne

Methane

8 / 10

Acetylene is also known as:

Ethyne

Ethene

Methane

Ethane

9 / 10

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

Ethane

Acetylene

Ethene

Ethyne

10 / 10

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

0.001%

0.1%

1%

0.01%

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The average score is 58%

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