1099+ Important Chemistry MCQ Questions Answers

Q:

Which of the following is false?

A) Hydrogen atom is roughly a third of the mass of tritium	B) Deuterium is called heavy hydrogen
C) Deuterium atom has 1 neutron	D) Protium is the rarest isotope of hydrogen

Answer & Explanation Answer: D) Protium is the rarest isotope of hydrogen

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1218

Q:

If the electronic configuration of elements A and B are $1 S^{2}, 2 S^{2} 2 P^{6}, 3 S^{1} and 1 S^{2}, 2 S^{2} 2 P^{6}, 3 S^{2} 3 P^{4}$ respectively, then the formula of the compound formed by the combination of these elements will be:

A) AB3	B) AB2
C) A2B	D) AB

Answer & Explanation Answer: C) A2B

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1216

Q:

Which of the following is not the properties of an ionic compound?

A) Soluble in water and insoluble in petrol	B) High melting and boiling points
C) Low melting and boiling points	D) Solid and hard

Answer & Explanation Answer: C) Low melting and boiling points

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1212

Q:

One of the techniques used for desalination of sea water is

A) Filtration	B) Distillation
C) Evaporation	D) Condensation

Answer & Explanation Answer: B) Distillation

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1212

Q:

In the process of ___, the iron is protected by a coating of zinc.

A) greasing	B) alloying
C) galvanisation	D) anodising

Answer & Explanation Answer: C) galvanisation

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1211

Q:

An alloy is an example of

A) Colloidal solution	B) Emulsion
C) Solid solution	D) Heterogenous mixture

Answer & Explanation Answer: C) Solid solution

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1208

Q:

Which of the following is NOT a noble gas?

A) Radon	B) Krypton
C) Xenon	D) Hydrogen

Answer & Explanation Answer: D) Hydrogen

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1206

Q:

Which of the following scientists had done some calculations for the fifth state of matter?

A) Satyendra Nath Bose	B) CV Raman
C) Vikram Sarabhai	D) Homi Bhabha

Chemistry Questions

Quick Links