How can we separate the components when sand is added to salt solution?
Filtration and evaporation
Sedimentation and decantation
Evaporation and condensation
None of the above
Separation of common salt from the sea water is by,
sieving
evaporation
magnetic separation
winnowing
Liquids that do not mix may be separated by using
a filter funnel
an evaporating dish
a separating funnel
condenser
Wheat flour is separated from wheat bran by the method of
Hand picking
Sieving
Winnowing
Filtration
By which method does the women in the given figure separate the substances?
Magnetic separation
Handpicking
Choose the substance that shows sublimation
Napthalene
Toluene
Kerosene
Water
Identify the mixture from the following
Carbon dioxide
Iron
Hydrogen
Air
The mixture of oil and water can be separated by
decantation
sedimentation
filtration
....... and ...... are the basic processes involved in the water cycle.
Sedimentation and condensation
Sedimentation and filtration
How many grams of salt is present in one litre of sea water?
3 grams
3.5 grams
5 grams
5.5 grams