More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

MDCAT Chemistry Chapter 10 Chemical bonding Online Test MCQs With Answers

Question # 1

What is the formula of magnesite?

Choose an answer

PbS

MgSO4. 7H2O

MgCO3

CaCO3

Skip

Question # 2

Compared with alkaline earth metals, the alkali metals exhibit.

Choose an answer

lower ionization energies

greater hardness

high boiling point

smaller ionic radii

Skip

Question # 3

Which noble gas is used in mixture used for breathing by divers?

Choose an answer

Skip

Question # 4

Which of the following configurations corresponds to alkaline earth metals?

Choose an answer

[Ar] 3d10, 4s2

[Ne] 3d2, 3p2

[Ar] 4s2

[Ar], 3d10, 4s1

Skip

Question # 5

Lithium differs from rest of members of its group due to which of following reasons

Choose an answer

High E.N of Li+1

Small radius

High charge density

All above are correct

Skip

Question # 6

What is the formula of cryolite?

Choose an answer

Al2O3.2H2O

Na2B4O7 .10 H2O

Na3AIF6

Ca2B6O11. 5H2O

Skip

Question # 7

Which of the following does not give flame test?

Choose an answer

Skip

Question # 8

Which of the following belongs to alkaline earth metals

Choose an answer

Skip

Question # 9

Elements of II-A group are called alkaline earth metals due to the reason that

Choose an answer

they occur in earth only

they form divalent cations only

they have ns2 electronic configuration

their oxides and hydroxides are alkaline in nature and metals are present in earth crust

Skip

Question # 10

Fluorine is largely used in

Choose an answer

rocket fuels

making Teflon

making freon

All

Skip

Question # 11

_{What is name of hydrated variety of quartz?}

Choose an answer

Rose quartz

Smokey quartz

Silica

Opal

Skip

Back