WorksheetsSeparation of Substances
Total questions: 20
Worksheet time: 13mins
The process of settling down of particles of a solid in a liquid is
Sublimation
Sedimentation
Filtration
Decantation
The solubility ____________ with increase in temperature.
doesn't change
decreases
increases
While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
Threshing
Sieving
Winnowing
Filtration
What is the process that is used to separate grains from stalks called?
handpicking
threshing
sieving
winnowing
When is the solution saturated?
No more salt can be dissolved in the amount of water we have taken
Lot more salt can be added
You have to add some sugar into the solution
None of the above
Which separation technique uses the apparatus shown in the diagram?
filtration
evaporation
distillation
chromatography
What separation technique does the picture show?
Sieving
filtering
magnetic separation
Distillation
Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?
Decanting
Filtering
Sieving
Distillation
You had these materials together but after performing a separation technique, you have these five groups. Which separation technique did you use?
Distillation
Decanting
Paper chromatography
Sieving
What is the purpose of Filtration?
Separating and insoluble solid from a liquid
Separation of a mixture of 2 solids
Separates heavier substances from a suspension
Which of the following is essential to perform winnowing activity?
Wind
Water
Magnet
Filter paper
