EASY
6th CBSE
IMPORTANT
Earn 100

Why sand and salt cannot be separated by winnowing?

Important Questions on Separation of Substances

MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 13
How can we separate impurities present in water?
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 14
Write the differences between pure substances and mixtures.
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 15
A bottle contains either salt or chalk. How will you find out without testing it?
HARD
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 16
A saturated solution of sugar in water is prepared. The temperature of the water is lowered by 8°C. Will the solution continue to be saturated? Give reasons.
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 17
Why do we need to separate components of mixture? Explain.
HARD
6th CBSE
IMPORTANT
All in One - Science>Chapter 5 - Separation of Substances>Chapter Test>Q 18
Perform an activity to explain the process of filtration.