Explore topic-wise MCQs in Chemistry.

This section includes 106 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

101.

Less corrosive acid is

A. H2SO4
B. H2CO3
C. HCl
D. HNO3
Answer» C. HCl
Discussion
102.

The stronger the acid, the

A. the more the hydrogen ions be
B. less the hydrogen ions be
C. None of Above
D. the more the covalence be
Answer» B. less the hydrogen ions be
Discussion
103.

Rain water has a pH of

A. 3
B. 1
C. 7
D. 5
Answer» E.
Discussion
104.

The chemical formula of zinc hydroxide is

A. ZNO2
B. Zn(OH)2
C. ZnOH
D. Zn2(OH)3
Answer» C. ZnOH
Discussion
105.

Full shell of valence electrons make

A. non metals
B. metals
C. isotopes
D. inert gases unreactive
Answer» E.
Discussion
106.

Helium is not an inert gases because

A. it lacks a full shell of valence electrons
B. it is chemically very reactive
C. None of Above
D. Both A and B
Answer» E.
Discussion