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

466

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethene

Ethyne

Ethylalcohol

Ethane

2 / 10

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

Methane

Ethene

Ethanal

Ethane

3 / 10

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

Ethanol

Ethene

Ethyne

Ethane

4 / 10

Which of the following is used as domestic fuel?

Ethanol

Methane

Ethyne

Chloroform

5 / 10

Which process produces an alkane?

Combustion

Dehydration

Hydration

Hydrogenation

6 / 10

The general formula of alkane is:

C_nH_2n+2

C_nH_2n+1

C_nH_2n+3

C_nH_2n

7 / 10

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

Br₂ water

Alcoholic KOH

Al₂O₃

Conc. H₂ SO₄

8 / 10

Which of the following reacts explosively with methane?

Br₂

I₂

F₂

Cl₂

9 / 10

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

Conc. H₂SO₄ at 170°C

Al₂O₃ at 350°C

Zn + HCl

Zinc + Dust

10 / 10

By dehydration we mean the removal of:

H₂

H₂O₂

H₂O

HCl

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The average score is 66%

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Practice MCQs Test No 2

434

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

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

Alkane

Alcohol

Alkyne

Alkene

2 / 10

Acetylene is also known as:

Methane

Ethene

Ethane

Ethyne

3 / 10

_________ is used as an anti-freeze.

Ethylene glycol

Vicinal dihalide

Ethylene

Ethyne

4 / 10

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

Ethyne

Ethane

Ethene

Acetylene

5 / 10

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

Ethyne

Methane

Ethane

Ethene

6 / 10

Ethylene is also known as:

Methane

Ethyne

Ethane

Ethene

7 / 10

Complete the following reaction:

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

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

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

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

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

8 / 10

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

0.01%

1%

0.1%

0.001%

9 / 10

__________ is used to manufacture urea fertilizer.

Ethyne

Methane

Ethane

Ethene

10 / 10

The general formula of alkynes is:

C_nH_2n-2

C_nH_2n-1

C_nH_2n

C_nH_2n+2

Your score is

The average score is 59%

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