Question # 1

Bucky balls are ____________ allotropic forms of carbon.

Choose an answer

1st

2nd

3rd

4th

Which one of the following is the lightest metal?

Choose an answer

Calcium

Magnesium

Lithium

Sodium

Mobility is property of ____________

Choose an answer

Liquid

Gases

A & b

Nil

positive ion hare formed by _________ of electrons.

Choose an answer

Gain

Loss

Sharing

Bonding

How many numbers of moles are equivalent to 8 grams of CO₂?

Choose an answer

0.15

0.18

0.21

0.24

Mass no is represented by :

Choose an answer

A

B

C

D

Which gas will diffuse faster than others?

Choose an answer

Hydrogen

Oxygen

Chlorine

Nitrogen

Which one of the following gas diffuses faster?

Choose an answer

hydrogen

helium

fluorine

chlorine

________________ solids are hard.

Choose an answer

Ionic

Covalent

Coordinate

Nil

The symbol of barium is:

Choose an answer

Ba

Bi

Br

B

The colour of calcium metal flame is

Choose an answer

Golden yellow

Brilliant white

Brick red

Light green

Electron _____________ energy when thy jump from higher to lower level.

Choose an answer

Absorb

Radiate

Nothing

Nil

The modern periodic table is based on:

Choose an answer

Atomic number

Mass number

Relative mass

Nil

Modern periodic table can be classified into ________________.

Choose an answer

Elements

s, p, d, f blocks

Periods

ROWS

Which pair of compounds is soluble?

Choose an answer

Ether and water

KCI and water

Benzene and water

Petrol and water

One amu (atomic mass unit) is equivalent to:

Choose an answer

1.66x10^-24 mg

1.66x 10^-24g

1.66x10 g

1.66x10^-23mg

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

________________ is triangular in shape.

Choose an answer

BCL3

H2O

CO2

NH3

The atomic number of sodium is ............... .

Choose an answer

9

10

11

12

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer