Question # 1

Which one is largest?

Choose an answer

Exo

Peta

Atto

Pico

The value of Planck's constant is

Choose an answer

6.63 x 10-34 Js

6.63 x 10-32 Js

6.63 x 10-30 Js

6.63 x 10-28 Js

The number of proton in an atom is called _________ number.

Choose an answer

Molecule

Formula

Atomic

Molar

Which shows Tyndall Effect?

Choose an answer

Slution

Colloid

Suspension

True solution

The cathode of Daniel cell is made up of

Choose an answer

Zn

Cu

AI

C

the homogeneous mixture of two or more substances is ____________.

Choose an answer

Solution

Stronger

Suspension

None

An atom having six electrons in its achieve noble electronic configuration by:

Choose an answer

gaining one electron

losing all electrons

gaining two electrons

losing two electrons

biology bis classified as ___________ science.

Choose an answer

Engineering

Physical

Natural

Chemical

Non-metals do not reaction with

Choose an answer

Strong bases

Concentrated acids

Dilute acids

Salts

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

Which radioisotope is used for the diagnosis of tumor in the body?

Choose an answer

cobalt-60

iodine-131

strontium-90

phosphorus-30

Bucky molecules have ________________ c-atoms.

Choose an answer

20-60

20-90

40-60

40-100

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