Question # 1

Which one of the following gas diffuses faster?

Choose an answer

hydrogen

helium

fluorine

chlorine

________________ is the shortest period.

Choose an answer

6th

8th

2nd

1st

Nelson's cells used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?

Choose an answer

CI₂

H₂

O₃

O₂

Gases produced in Nelson's cell are:

Choose an answer

H₂ and O₂

H₂ and CI₂

H₂ and N₂

CI₂ and O₂

____________ is prevented by Metallic coating.

Choose an answer

NaCl

Rust

All

None of these

________________ are formed from chemical reactions.

Choose an answer

Elements

Mixture

Substance

Nil

Who discovered the proton?

Choose an answer

Goldstein

J.J Thomson

Neil Bohr

Ruther Ford

Which is kept constant in the Charle's law:

Choose an answer

Pressure

Temperature

Volume

Mass

Bucky Balls are used as ________________

Choose an answer

Cutting

Grafting

Lubricants

Nil

Brine is an aqueous solution of

Choose an answer

NaCI

NaOH

AgNO3

CaO

The example of solution of a solid solute in a solid solvent is

Choose an answer

Brass

Fog

Cheese

Air

Which one an example of heterogeneous mixture?

Choose an answer

Ice cream

Concrete

Both a & b

NiL

Which one of the following metals burns with a brick red flame?

Choose an answer

Sodium

Magnesium

Iron

Calcium

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