EASY
7th ICSE
IMPORTANT
Earn 100

Give the odd one out. Give scientific reason.

Carbon, chalk, sodium, gold

Important Questions on Elements, Compounds and Mixtures

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 2

Give the odd one out. Give scientific reason.

Hydrogen, mercury, nitrogen, chlorine 

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 3

Give the odd one out. Give scientific reason.

Helium, neon, chlorine, argon

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 4

Give the odd one out. Give scientific reason.

Gold, silver, copper, zinc

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 5

Give the odd one out. Give scientific reason.

H2, Br2, O3, O2

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 1
The smallest particle of a substance that can exist freely and retain the characteristics of that substance. 
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 2
The number of atoms present in one molecule of the element. 
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 3
Solid sulphur is an example. 
EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 4
The Latin name of potassium.