Question # 1

The No. of atoms in 1 mole of carbiton is

Choose an answer

6.02 x 1021

6.02 x 1022

6.02 x 1023

6.02 x 1024

Free radical is a

Choose an answer

Extremely stable

Extremely reactive

Extremely inert

All of these

_________ is an example of substance.

Choose an answer

Carbon

Hydrogrn

Oxygen

Water

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

Choose an answer

0.15

0.18

0.21

0.24

Salt & water is a _________ mixture.

Choose an answer

Homogeneous

Heterogeneous

It is not mixture

Nil

The atomic number is represented by ____________

Choose an answer

A

Y

X

Z

_________ elements naturally occurring.

Choose an answer

92

118

93

117

An ion is a charged particles:

Choose an answer

True

False

In some conditions

Never

The empirical formula of glucose is

Choose an answer

CHO

CH2O

C2HO

CHO2

The period of Alchemists extends from _________ AD.

Choose an answer

800 to 1800

600 to 1600

900 to 1900

700 to 1700

In volvox asexual cell produced:

Choose an answer

Daughter colonies

Sperm

Egg

All

The molar mass of H₂SO₄ is:

Choose an answer

98 g

98 amu

9.8 g

9.8 amu

Number of protons+ neutrons is :

Choose an answer

Atomic mass

Mass numbers

Both

Nil

More Classes

Other Links

Chemistry 9th Class English Medium Unit 1 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