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

1355

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 1

1 / 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

2 / 10

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

Ethyne

Ethane

Ethanol

Ethene

3 / 10

By dehydration we mean the removal of:

H₂O

H₂

H₂O₂

HCl

4 / 10

Reduction of Ethylchloride (C₂H₅Cl) produces:

Ethene

Ethylalcohol

Ethane

Ethyne

5 / 10

Which of the following is used as domestic fuel?

Ethanol

Methane

Chloroform

Ethyne

6 / 10

Which process produces an alkane?

Hydrogenation

Hydration

Combustion

Dehydration

7 / 10

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

Conc. H₂ SO₄

Br₂ water

Alcoholic KOH

Al₂O₃

8 / 10

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

Ethane

Ethene

Ethanal

Methane

9 / 10

Which of the following reacts explosively with methane?

F₂

I₂

Br₂

Cl₂

10 / 10

The general formula of alkane is:

C_nH_2n+1

C_nH_2n

C_nH_2n+3

C_nH_2n+2

Your score is

The average score is 70%

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Practice MCQs Test No 2

1262

Class 10 Chemistry
Chapter 12
Practice MCQs Test No 2

1 / 10

Complete the following reaction:

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

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

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

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

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

2 / 10

Acetylene is also known as:

Ethene

Ethane

Ethyne

Methane

3 / 10

_________ is used as an anti-freeze.

Ethylene

Vicinal dihalide

Ethylene glycol

Ethyne

4 / 10

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

Ethane

Methane

Ethene

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

Ethyne

Ethane

Acetylene

7 / 10

Ethylene is also known as:

Ethyne

Ethane

Ethene

Methane

8 / 10

__________ is used to manufacture urea fertilizer.

Ethane

Ethyne

Methane

Ethene

9 / 10

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

0.01%

0.001%

0.1%

1%

10 / 10

The general formula of alkynes is:

C_nH_2n-2

C_nH_2n

C_nH_2n+2

C_nH_2n-1

Your score is

The average score is 59%

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