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

197

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

Which of the following is used as domestic fuel?

Chloroform

Methane

Ethanol

Ethyne

2 / 10

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

Al₂O₃ at 350°C

Zinc + Dust

Zn + HCl

Conc. H₂SO₄ at 170°C

3 / 10

The general formula of alkane is:

C_nH_2n+3

C_nH_2n+1

C_nH_2n+2

C_nH_2n

4 / 10

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

Ethene

Ethyne

Ethane

Ethanol

5 / 10

By dehydration we mean the removal of:

H₂

HCl

H₂O

H₂O₂

6 / 10

Which process produces an alkane?

Dehydration

Hydration

Combustion

Hydrogenation

7 / 10

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

Br₂ water

Al₂O₃

Conc. H₂ SO₄

Alcoholic KOH

8 / 10

Which of the following reacts explosively with methane?

F₂

I₂

Br₂

Cl₂

9 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethyne

Ethene

Ethylalcohol

Ethane

10 / 10

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

Methane

Ethane

Ethanal

Ethene

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The average score is 62%

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Practice MCQs Test No 2

170

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

Acetylene is also known as:

Methane

Ethene

Ethyne

Ethane

2 / 10

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

Alcohol

Alkane

Alkyne

Alkene

3 / 10

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

0.1%

1%

0.001%

0.01%

4 / 10

__________ is used to manufacture urea fertilizer.

Methane

Ethane

Ethyne

Ethene

5 / 10

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

Ethyne

Ethene

Acetylene

Ethane

6 / 10

_________ is used as an anti-freeze.

Ethyne

Vicinal dihalide

Ethylene glycol

Ethylene

7 / 10

Complete the following reaction:

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

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

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

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

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

8 / 10

The general formula of alkynes is:

C_nH_2n

C_nH_2n-2

C_nH_2n+2

C_nH_2n-1

9 / 10

Ethylene is also known as:

Methane

Ethyne

Ethene

Ethane

10 / 10

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

Methane

Ethene

Ethyne

Ethane

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The average score is 58%

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