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

211

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

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

Ethene

Ethyne

Ethanol

Ethane

2 / 10

Which of the following reacts explosively with methane?

Cl₂

Br₂

I₂

F₂

3 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethene

Ethyne

Ethylalcohol

Ethane

4 / 10

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

Alcoholic KOH

Conc. H₂ SO₄

Br₂ water

Al₂O₃

5 / 10

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

Conc. H₂SO₄ at 170°C

Zinc + Dust

Zn + HCl

Al₂O₃ at 350°C

6 / 10

By dehydration we mean the removal of:

HCl

H₂O

H₂

H₂O₂

7 / 10

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

Methane

Ethanal

Ethene

Ethane

8 / 10

The general formula of alkane is:

C_nH_2n+1

C_nH_2n+3

C_nH_2n+2

C_nH_2n

9 / 10

Which of the following is used as domestic fuel?

Ethyne

Ethanol

Chloroform

Methane

10 / 10

Which process produces an alkane?

Combustion

Hydration

Hydrogenation

Dehydration

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The average score is 63%

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Practice MCQs Test No 2

186

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

Ethane

Ethene

2 / 10

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

0.001%

1%

0.1%

0.01%

3 / 10

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

Acetylene

Ethane

Ethyne

Ethene

4 / 10

The general formula of alkynes is:

C_nH_2n-1

C_nH_2n+2

C_nH_2n-2

C_nH_2n

5 / 10

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

Alcohol

Alkene

Alkyne

Alkane

6 / 10

Complete the following reaction:

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

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

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

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

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

7 / 10

Ethylene is also known as:

Ethene

Ethyne

Ethane

Methane

8 / 10

__________ is used to manufacture urea fertilizer.

Methane

Ethene

Ethyne

Ethane

9 / 10

_________ is used as an anti-freeze.

Ethylene glycol

Ethylene

Vicinal dihalide

Ethyne

10 / 10

Acetylene is also known as:

Ethene

Ethyne

Ethane

Methane

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The average score is 58%

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