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

1350

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?

Ethene

Ethanal

Methane

Ethane

2 / 10

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

Conc. H₂ SO₄

Br₂ water

Alcoholic KOH

Al₂O₃

3 / 10

Which process produces an alkane?

Hydration

Hydrogenation

Combustion

Dehydration

4 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethene

Ethylalcohol

Ethane

Ethyne

5 / 10

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

Zn + HCl

Conc. H₂SO₄ at 170°C

Al₂O₃ at 350°C

Zinc + Dust

6 / 10

The general formula of alkane is:

C_nH_2n

C_nH_2n+3

C_nH_2n+1

C_nH_2n+2

7 / 10

Which of the following is used as domestic fuel?

Chloroform

Methane

Ethyne

Ethanol

8 / 10

Which of the following reacts explosively with methane?

I₂

F₂

Cl₂

Br₂

9 / 10

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

Ethanol

Ethene

Ethyne

Ethane

10 / 10

By dehydration we mean the removal of:

H₂

H₂O

H₂O₂

HCl

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The average score is 70%

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Practice MCQs Test No 2

1256

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

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

Ethane

Ethene

Methane

Ethyne

2 / 10

Ethylene is also known as:

Ethene

Ethane

Methane

Ethyne

3 / 10

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

Acetylene

Ethane

Ethyne

Ethene

4 / 10

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

Alkene

Alkane

Alkyne

Alcohol

5 / 10

Complete the following reaction:

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

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

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

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

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

6 / 10

_________ is used as an anti-freeze.

Ethylene

Ethylene glycol

Vicinal dihalide

Ethyne

7 / 10

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

1%

0.001%

0.1%

0.01%

8 / 10

__________ is used to manufacture urea fertilizer.

Ethane

Ethene

Ethyne

Methane

9 / 10

Acetylene is also known as:

Ethene

Methane

Ethyne

Ethane

10 / 10

The general formula of alkynes is:

C_nH_2n-2

C_nH_2n+2

C_nH_2n-1

C_nH_2n

Your score is

The average score is 59%

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