Question # 1

Which shows Tyndall Effect?

Choose an answer

Slution

Colloid

Suspension

True solution

The absolute zero means:

Choose an answer

273.15 °C

-273.15 °C

0 °C

-373.15 °C

The isotopes of an element have different number of

Choose an answer

Electrons

Protons

Neutrons

Protons & Neutrons

_________ shells of noble gases is complete.

Choose an answer

Outer most

2

1

Nil

Which molecule has single covalent bond?

Choose an answer

O₂

N₂

CI₂

CO₂

During the formation of water from hydrogen and oxygen, which of the following does not occur?

Choose an answer

Hydrogen has oxidized

oxygen has reduced

oxygen gains electrons

hydrogen behaves as oxidizing agent

1 torr = ?

Choose an answer

1 mm of Hg

1 atm

760 mm of Hg

1 pascal

Which one of the following does not affect the boiling point?

Choose an answer

intermolecular forces

external pressure

nature of liquid

initial temperature of liquid

H° - H° has ________________ energy.

Choose an answer

Lower

Higher

Medium

Nil

________________ observed that formation of covalent bonds.

Choose an answer

Rutherford

G.N Lewis

Both a and b

Bohar's

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

Pure alkali metals can be cut simply by knife but iron cannot because of alkali metals have:

Choose an answer

Strong metallic bonding.

Weak metallic bonding

Non- metallic bonding

Moderate metallic bonding

More Classes

Other Links

9th Class Chemistry English Medium KPK Boards Online Mcqs 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