Question # 1

According to Bohr, electrons can revolve only in this orbits whose angular momentum is

Choose an answer

h/2π

n 2h/π

n h2/2π

n h/2π

It is a strong electrolyte

Choose an answer

H2O

CH3COOH

NaOH

C6H6

The example of solid solute in gas solvent is

Choose an answer

butter

Sugar in water

Smoke in air

Opals

10 gram sugar is dissolved in 90 gram of water to make a 100 gram solution.This solution is

Choose an answer

10% m/m

10% m/v

10% v/m

10% v/v

Which is kept constant in the Charle's law:

Choose an answer

Pressure

Temperature

Volume

Mass

NaCl + H2O is ____________ solutions.

Choose an answer

Aqueous

Binary

H2O

Nil

_________ shells of noble gases is complete.

Choose an answer

Outer most

2

1

Nil

Which one of the following is the weakest force among the atom?

Choose an answer

ionic force

metallic force

intermolecular force

covalent force

4th & 5th consist of ________________ elements.

Choose an answer

8

18

32

infinite

The earth is made up of ___________ % of iron.

Choose an answer

4

5

6

7

Which is a polar molecule?

Choose an answer

HCI

H₂

CI₂

O₂

The repetition of a property after a certain interval is:

Choose an answer

Periodicity

Properties

Periodicity of properties

None

All are noble metals except:

Choose an answer

Silver

Gold

Hydrogen

Platinum

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