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

458

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

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

Ethane

Ethene

Methane

Ethanal

2 / 10

Which of the following reacts explosively with methane?

I₂

Cl₂

Br₂

F₂

3 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethylalcohol

Ethane

Ethene

Ethyne

4 / 10

The general formula of alkane is:

C_nH_2n+3

C_nH_2n+1

C_nH_2n+2

C_nH_2n

5 / 10

By dehydration we mean the removal of:

H₂

H₂O₂

HCl

H₂O

6 / 10

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

Conc. H₂ SO₄

Alcoholic KOH

Br₂ water

Al₂O₃

7 / 10

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

Ethene

Ethanol

Ethane

Ethyne

8 / 10

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

Zinc + Dust

Conc. H₂SO₄ at 170°C

Zn + HCl

Al₂O₃ at 350°C

9 / 10

Which process produces an alkane?

Hydration

Combustion

Dehydration

Hydrogenation

10 / 10

Which of the following is used as domestic fuel?

Ethyne

Ethanol

Methane

Chloroform

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The average score is 66%

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Practice MCQs Test No 2

430

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

The general formula of alkynes is:

C_nH_2n

C_nH_2n-2

C_nH_2n-1

C_nH_2n+2

2 / 10

Complete the following reaction:

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

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

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

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

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

3 / 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%

4 / 10

_________ is used as an anti-freeze.

Ethylene

Ethylene glycol

Vicinal dihalide

Ethyne

5 / 10

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

Alkyne

Alkene

Alcohol

Alkane

6 / 10

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

Ethene

Ethane

Ethyne

Acetylene

7 / 10

__________ is used to manufacture urea fertilizer.

Ethyne

Ethene

Methane

Ethane

8 / 10

Ethylene is also known as:

Ethane

Ethyne

Ethene

Methane

9 / 10

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

Ethene

Ethyne

Methane

Ethane

10 / 10

Acetylene is also known as:

Ethane

Ethyne

Ethene

Methane

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The average score is 59%

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