Mixtures
Mineral water is mixture of many
minerals
metals
gases
compounds
minerals
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Perfume industry obtains fragrant oil from plants using techniqueA. reverse osmosis
B. distillation
C. filtration
D. heating
The point at which solid substance changes into liquid state, is called
A. melting point
B. boiling point
C. power point
D. complex point
Petroleum, gasoline, kerosene, diesel and paraffin wax are yielded to fractional distillation of
A. mustard oil
B. sunflower oil
C. crude oil
D. almond oil
Saline solution is mixture of
A. water
B. salt
C. gases
D. both a and b
Boiling point is a point at which liquid turns in to
A. solid
B. gas
C. molten shape
D. vapours
The ‘technique’ which is used in water treatment plants, is
A. distillation
B. filtration
C. evaporation
D. fractional distillation
Mud, water and other substances form
A. mud
B. clay
C. sand
D. cement
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