Question # 1

The earth is made up of ____________ % of aluminum.

Choose an answer

6

7

8

9

Which is a polar molecule?

Choose an answer

HCI

H₂

CI₂

O₂

Atoms reacts with each other because:

Choose an answer

They are attracted to each other

they are short of electrons

they want to attain stability

they want to disperse

Which one of the following will not react with dilute HCI?

Choose an answer

Sodium

Potassium

Calcium

Carbon

"×" & "." Represent:

Choose an answer

Shells

Neutrons

Electrons

Atoms

Which one is not a property of electrolytic cell?

Choose an answer

It consists of one complete cell

Anode has +ve charge

It converts electrical energy into chemical one

Anode has -ve charge

P1V1 = P2V2 is mathematical form of ____________ law.

Choose an answer

Bohr's

Charles

Boyle's

Nil

In ionic bond complete ________________ of electrons occurs.

Choose an answer

Paring

Sharing

Transfer

None

The branch of chemistry which deals with inter conversion of electrical & chemical energy is:

Choose an answer

Biochemistry

Electrochemistry

Organic chemistry

None of these

Metal oxides are

Choose an answer

Amphoteric

Basic

Acidic

Neutral

________________ orbital is more complex in shape.

Choose an answer

s

p

f

d

The number of electrons in K shell of O is ________________

Choose an answer

9

10

2

1

Metal can form ions carrying charges:

Choose an answer

Uni-positive

Di-positive

Tri-Positive

All of them

More Classes

Other Links

Chemistry 9th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer