Explore topic-wise MCQs in Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following reaction is a combination reaction?

A. X + YZ XZ + Z
B. 2F<sub>2</sub> + 2OH<sup> </sup> 2F<sup> </sup> + OF<sub>2</sub> + H<sub>2</sub>O
C. 2NaH 2Na + H<sub>2</sub>
D. S + O<sub>2</sub> SO<sub>2</sub>
Answer» E.
Discussion
2.

2NaH 2Na + H2 is an example of a combination reaction.

A. True
B. False
Answer» C.
Discussion
3.

2F2 + 2OH 2F + OF2 + H2O is a type of ______________

A. combination reaction
B. displacement reaction
C. disproportionate reaction
D. decomposition reaction
Answer» D. decomposition reaction
Discussion
4.

Can ClO4 exhibit disproportionation reaction?

A. may be
B. yes
C. no
D. cannot say
Answer» D. cannot say
Discussion
5.

X + YZ XZ + Z is a form of ______________

A. combination reaction
B. displacement reaction
C. disproportionate reaction
D. decomposition reaction
Answer» C. disproportionate reaction
Discussion
6.

Displacement reaction is of two types.

A. true
B. false
Answer» B. false
Discussion
7.

Breakdown of hydrogen peroxide into water and oxygen is an example of ______________

A. combination
B. decomposition
C. disproportionation
D. double decomposition
Answer» D. double decomposition
Discussion
8.

The exchange of salt between zinc and copper is an example of ______________

A. combination
B. decomposition
C. disproportionation
D. displacement
Answer» E.
Discussion
9.

2H2O 2H2 + O2 is an example of ______________

A. combination
B. decomposition
C. disproportionation
D. double decomposition
Answer» C. disproportionation
Discussion
10.

S + O2 SO2 is an example of ______________

A. combination
B. decomposition
C. disproportionation
D. double decomposition
Answer» B. decomposition
Discussion