MEDIUM
7th ICSE
IMPORTANT
Earn 100

Define the following:

Immiscible liquid

Important Questions on Elements, Compounds and Mixtures

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 7

Define the following:

Homogeneous mixture

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 7

Define the following: 

Heterogeneous mixture

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 1
What is meant by elements? Write down two names of elements.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 1
What is meant by compounds? Write down two names of compounds.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 1
What is meant by mixtures? Write down two names of mixtures.
HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 1

Classify the following into elements, compounds and mixtures:

Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common Salt, Sea-water, Chalk.

MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 2
State the main points of difference between homogeneous and heterogeneous mixtures.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 3 - Elements, Compounds and Mixtures>EXERCISES>Q 2
Classify the following materials as homogeneous mixtures and heterogeneous mixtures:
Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.