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 is not an alum?

A. covalent alum
B. Potash alum
C. ammonium alum
D. sodium alum
Answer» B. Potash alum
Discussion
2.

Alum is a double sulphate.

A. true
B. false
Answer» B. false
Discussion
3.

Aluminium oxide as otherwise called as ______________

A. aluminium sulphate
B. alumina
C. alum
D. aluminium
Answer» C. alum
Discussion
4.

What is the chemical formula of alumina and anhydrous aluminium chloride?

A. Al<sub>2</sub>O<sub>3</sub>, AlCl
B. Al<sub>2</sub>O<sub>3</sub>, AlCl<sub>3</sub>
C. Al<sub>2</sub>O, AlCl<sub>3</sub>
D. AlO<sub>3</sub>, AlCl<sub>3</sub>
Answer» C. Al<sub>2</sub>O, AlCl<sub>3</sub>
Discussion
5.

Which of the following is used as a catalyst in Friedel craft reaction?

A. cement
B. boron
C. anhydrous aluminium chloride
D. borax
Answer» D. borax
Discussion
6.

Which of the following is not a use of orthoboric acid?

A. painting
B. antiseptic
C. eye lotion
D. food preservative
Answer» B. antiseptic
Discussion
7.

Boron is used as a ______________

A. double insulator
B. semiconductor
C. insulator
D. conductor
Answer» C. insulator
Discussion
8.

Which of the following is not a use of Boron?

A. silver paints
B. bulletproof vest
C. in nuclear reactors
D. making of boron fibres
Answer» B. bulletproof vest
Discussion
9.

Which of the following material is used for making fireproof clothes?

A. Aluminium chloride
B. Aluminium oxide
C. Aluminium nitrate
D. Aluminium sulphate
Answer» E.
Discussion
10.

What is ammonal?

A. a mixture of aluminium powder with ammonium nitrite
B. a mixture of aluminium powder with ammonium nitrate
C. a mixture of aluminium powder with ammonium sulphate
D. a mixture of aluminium powder with ammonium chloride
Answer» C. a mixture of aluminium powder with ammonium sulphate
Discussion