Separation of Substances

Q.

Question 9 (d)

True or false?
Grain and husk can be separated with the process of decantation.

Q.

Question 8 (b)

Fill up the blanks
When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ___

Q.

Question 9 (a)

True or false?
A mixture of milk and water can be separated by filtration.

Q.

Question 9 (c)

Separation of sugar from tea can be done with filtration

Q.

Question 8 (c)

Fill up the blanks
Salt is obtained from seawater by the process of ___

Q.

Question 2

What is winnowing? Where is it used?

Q.

Question 9 (b)

True or false.
A mixture of powdered salt and sugar can be separated by the process of winnowing.

Q.

Question 4

What is sieving? Where is it used?

Q.

Question 10

Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?

Q.

Question 5

How will you separate sand and water from their mixture?