Separation of Substances

Choose the incorrect statement from the following:

• Separation helps in removing impurities

• Separation leads to complexities

• Separation of grain from stalk can be done only manually

• Sand will get dissolved in water

Choose a method of separation for the mixture bought by Aryan

• Sieving

• Handpicking

• Threshing

• Filtration

Ramaira wants to make low fat Lassi, which method shall she use for separating the fat?

• Filtration

• Sedimentation

• Decantation

• Churning

We can separate salt from water using filtration?

• True

• False

Choose the mixtures which cannot be separated by filtration

• Cornflakes in milk

• Sugar in Milk

• Chocolate syrup in milk

• Tea leaves from water

Identify this machine

• Harvester

• Combine

• Tractor

• Leveller

Which method is used to separate pebbles and stones from sand?

• Threshing

• Winnowing

• Sieving

• Filtration

Which of the following can be separated by winnowing?

• Kidney beans in chick pea

• Pulse and rice

• Rice flakes and corn

• Biscuit and Cornflakes

Property which forms the basis of sieving

• Difference in colour

• Difference in weight

• Difference in shape

• Difference in Size

Identify the separation technique

• Threshing

• Winnowing

• Sieving

• Handpicking