EASY
7th ICSE
IMPORTANT
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A solution of sugar or table salt in water is an example of _____ mixture.

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Important Questions on Elements, Compounds and Mixtures

EASY
7th ICSE
IMPORTANT
Innovative Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EVALUATE YOUR UNDERSTANDING>Q 1

Give the odd one out. Give scientific reason.

Carbon, chalk, sodium, gold

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.