A liquid substance that does not dissolve in water and forms a separate layer is called
miscible
immiscible
soluble
insoluble
The dissolved oxygen in water is taken up by fish through its special organ called:
skin
lungs
gills
nose
What makes water available in various forms on the Earth.
Nitrogen cycle
Water cycle
Oxygen cycle
Hydrogen cycle
Water boils at:
100°c
0°c
50°c
-4°c
In which form water exists as water vapour or steam?
liquid form
solid state
gaseous form
combined state
The homogeneous mixture of a solvent and a substance soluble in it is called a:
solution
solvent
solute
mixture
Pick the odd one out
Bore well
Well
Lakes
Sea
The setting of the suspended particles under the action of gravity is called:
chlorination
sedimentation
aeration
filtration
Solid, liquid and gas are the three states of:
oxygen
hydrogen
water
alcohol
Air under pressure is blown into the filtered water. This process is called:
