MEDIUM
6th CBSE
IMPORTANT
Earn 100

Can a mixture of iodine and camphor be separated by the sublimation method? Give reason for your answer. 

Important Questions on Separation of Substances

MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 4
Why does the size of naphthalene balls, put in open, keep on reducing with time? 
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 5
After a dust storm, how does rain help in making air clear?
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 6
Sawdust, mixed in water, cannot be separated by the sedimentation method. Why?
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 7
The filtration method cannot be used to separate sugar and salt mixed in water. Why?
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 8
Describe the method of centrifugation using an appropriate example.
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 1
Draw a neat and well-labelled diagram of filtration method. Also name the different varieties of filters available.
MEDIUM
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 2
Fill a glass with impure water. Using your knowledge of methods of separation, suggest a method to purify it. Justify your suggestions.
EASY
6th CBSE
IMPORTANT
The Living World A book of Science and Technology>Chapter 4 - Separation of Substances>Something to know>Q 3
Suggest ways to separate the components of the following mixtures: Camphor, sand and salt.