Chapter 8: Hydrocarbons Chemistry Mcqs for High School - Grade 10

1.

When two carbon atoms share two electron pairs then they form

A. single bond

B. double bond

C. triple bond

D. coordinate covalent bond

Answer & Solution Discuss in Board

2.

All are wrong about alkenes, but that they are

A. saturated hydrocarbons

B. soluble in water

C. unsaturated hydrocarbons

D. insoluble in organic solvents

Answer & Solution Discuss in Board

3.

What is the physical state of the first four alkanes?

A. solid

B. liquid

C. gas

D. plasma

Answer & Solution Discuss in Board

4.

What is the color of bromine?

A. brown

B. red

C. orange

D. reddish-brown

Answer & Solution Discuss in Board

5.

Loss of hydrogen halide is called

A. halogenation

B. dehydration

C. Dehydrohalogenation

D. hydrogenation

Answer & Solution Discuss in Board

6.

Which of the following is given off during ripening fruits and vegetables?

A. ethane

B. ethene

C. Ethyne

D. methane

Answer & Solution Discuss in Board

7.

Acetylene is also called

A. Ethyne

B. ethene

C. ethane

D. methane

Answer & Solution Discuss in Board

8.

Oxy-acetylene torches can produce temperature as high as

A. 30 degrees

B. 300 degrees

C. 3000 degrees

D. 30000 degrees

Answer & Solution Discuss in Board

9.

Chloroform is also called

A. chloromethane

B. dichloromethane

C. Trichloromethane

D. tetra chloromethane

Answer & Solution Discuss in Board

10.

The molecular formula of ethane is

A. CH4

B. C2H6

C. C3H8

D. C4H10

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 8: Hydrocarbons Chemistry Mcqs for High School - Grade 10

1. When two carbon atoms share two electron pairs then they form

Answer & Solution

2. All are wrong about alkenes, but that they are

Answer & Solution

3. What is the physical state of the first four alkanes?

Answer & Solution

4. What is the color of bromine?

Answer & Solution

5. Loss of hydrogen halide is called

Answer & Solution

6. Which of the following is given off during ripening fruits and vegetables?

Answer & Solution

7. Acetylene is also called

Answer & Solution

8. Oxy-acetylene torches can produce temperature as high as

Answer & Solution

9. Chloroform is also called

Answer & Solution

10. The molecular formula of ethane is

Answer & Solution

Read More Section(Chemistry Mcqs)

1.

When two carbon atoms share two electron pairs then they form

2.

All are wrong about alkenes, but that they are

3.

What is the physical state of the first four alkanes?

4.

What is the color of bromine?

5.

Loss of hydrogen halide is called

6.

Which of the following is given off during ripening fruits and vegetables?

7.

Acetylene is also called

8.

Oxy-acetylene torches can produce temperature as high as

9.

Chloroform is also called

10.

The molecular formula of ethane is