Worksheetsseparating mixtures
Total questions: 16
Worksheet time: 32mins
Sieving is a method of separating mixtures which is judged by the size and thickness of the particles of the components which make up the mixture.
True
False
This involves using a strainer or a big screen to separate the components of solid mixtures.
physical manipulation
distillation
sieving
Which of the following mixture can be separated by sieving method?
Sugar and ice
Salt and fine spices
Salt and sugar cubes
Sand and few stone mixture can be separated by
Sieving
Handpicking
Both sieving and handpicking
seeds from flour
Sieving
Filtration
The small pores of sieve should be
less than the size of smaller particle
slightly more than the size of smaller particle
more than the size of bigger particle
slightly less than the size of bigger particle
How to separate salt and water?
Decantation
Filtration
Evaporation
Sieving
How to separate meat and sauce?
Decantation
Filtration
Evaporation
Sieivng
How to separate needles and toothpicks?
Decantation
Distillation
Magnetic Attraction
Sieving
How to separate sugar and water?
Decantation
Distillation
Filtration
Evaporation
How to separate coffee beans and coffee liquid?
Distillation
Filtration
Evaporation
Sieving
How to separate iron filings from flour?
Distillation
Evaporation
Filtration
Magnetic Attraction
Condensation is actually...
Drops of water vapor from the air which turned to liquid.
Drops are liquid water coming from inside the glass.
Drops are Mt. Dew seeping from the glass.
What is a main difference between boiling and evaporation?
Boiling requires an outside power source and the evaporation process is internal.
Evaporation takes place at one temperature, boiling takes place at all temperatures.
Boiling takes place at one temperature, evaporation takes place at all temperatures.
Boiling takes can only occur through mechanical methods.
When thermal energy is increased in a liquid, what change in state is happening?
Melting
Evaporation
Condensation
Freezing
