Question # 1

positive ion hare formed by _________ of electrons.

Choose an answer

Gain

Loss

Sharing

Bonding

Which has metallic bond?

Choose an answer

H

Na

HCI

P

The no.of electrons in the valence shell of noble gases is

Choose an answer

1

6

7

8

Industrial chemistry deals with the manufacturing of compounds:

Choose an answer

in the laboratory

on micro scale

on commercial scale

on economic scale

By electrolytic refining of copper , it is ____________ % pure.

Choose an answer

98

99

99.99

100

Molarity is the number of moles of solute dissolved in:

Choose an answer

1 kg of solution

100 g of slovent

Idm³ of solvent

I dm³ of solution

Solid particles possess which one of the following motions?

Choose an answer

rotational motions

vibrational motions

translation motions

both translational and vibrational motions

biology bis classified as ___________ science.

Choose an answer

Engineering

Physical

Natural

Chemical

Oxidation means

Choose an answer

Gain of oxygen

Removal of oxygen

Gain of hydrogen

Gain of electrons

Along the period which one of the following decrease:

Choose an answer

Atomic radius

ionization energy

electron affinity

electronegative

All metals are solid at ________________ temperature.

Choose an answer

Room

High

Low

None

The colour of calcium metal flame is

Choose an answer

Golden yellow

Brilliant white

Brick red

Light green

How many number of electrons take part in triple covalent bond?

Choose an answer

2

4

6

8

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