EASY
6th ICSE
IMPORTANT
Earn 100

Name two process involved in distillation process.

Important Questions on Elements, Compounds and Mixtures

EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 2
Give an example of a mixture that can be separated using winnowing method.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 3
Give examples of some elements which have more than one valencies.
MEDIUM
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 4

Write down the formula for the following compound:

Zinc chloride

EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 4
Write the molecular formula of Iron sulphide.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 4

Write the formula for the following compound:

Lead oxide

MEDIUM
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 4
Write the formulae of the compound Ammonia.
EASY
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 5

Which method is used for the separation of scrap iron from the heap of waste materials?

MEDIUM
6th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Elements, Compounds and Mixtures>EXERCISES>Q 6
What is evaporation? State one large scale use of the process of evaporation.