Chapter 8: Periodic Classification of Elements - Objective type Online Test Questions and Answers with Solution, Explanation, Solved Problems 1

Q.1

______ is an important metal to form amalgam.

A. Ag

B. Hg

C. Mg

D. Al

Answer : Option B
Explaination / Solution:
No Explaination.

Workspace

Report

Q.2

The number of periods and groups in the periodic table are

A. 6,16

B. 7,17

C. 8,18

D. 7,18

Answer : Option D
Explaination / Solution:
No Explaination.

Workspace

Report

Q.3

The basis of modern periodic law is

A. atomic number

B. atomic mass

C. isotopic mass

D. number of neutrons

Answer : Option A
Explaination / Solution:
No Explaination.

Workspace

Report

Q.4

_____ group contains the member of halogen family.

A. 17th

B. 15th

C. 18th

D. 16th

Answer : Option A
Explaination / Solution:
No Explaination.

Workspace

Report

Q.5

_____ is a relative periodic property

A. atomic radii

B. ionic radii

C. electron affinity

D. electronegativity

Answer : Option D
Explaination / Solution:
No Explaination.

Workspace

Report

Q.6

Chemical formula of rust is

A. FeO.xH₂O

B. FeO₄.xH₂O

C. Fe₂O₃.xH₂O

D. FeO

Answer : Option C
Explaination / Solution:
No Explaination.

Workspace

Report

Q.7

In the alumino thermic process the role of Al is _____.

A. oxidizing agent

B. reducing agent

C. hydrogenating agent

D. sulphurising agent

Answer : Option B
Explaination / Solution:
No Explaination.

Workspace

Report

Q.8

The process of coating the surface of metal with a thin layer of zinc is called______.

A. painting

B. thinning

C. galvanization

D. electroplating

Answer : Option C
Explaination / Solution:
No Explaination.

Workspace

Report

Q.9

Which of the following have inert gases 2 electrons in the outermost shell.

A. He

B. Ne

C. Ar

D. Kr

Answer : Option A
Explaination / Solution:
No Explaination.

Workspace

Report

Q.10

Neon shows zero electron affinity due to _____.

A. stable arrangement of neutrons

B. stable configuration of electrons

C. reduced size

D. increased density

Answer : Option B
Explaination / Solution:
No Explaination.

Workspace

Report

Topic: Chapter 8: Periodic Classification of Elements (Test 1)