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प्रश्न
The constituents of a mixture are present in a fixed ration.
पर्याय
a fixed ratio
a variable ratio
the ratio of 2:1
none of these
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उत्तर
a variable ratio
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संबंधित प्रश्न
Fill in the blank
Mixtures can be ________ or _______
Many indigestion mixtures are suspensions. What do the instructions written on the bottle of an indigestion mixture tell us before taking the mixture, and why ?
Name one pair of substances whose mixture can be separated by fractional distillation.
Name one pair of substances whose mixture can be separated completely by distillation.
Give reason:
Why sulphur does dissolve when carbon disulphide is added to a mixture of iron and sulphur but not when it is added to iron sulphide?
Give two examples of the following type of mixture.
liquid-gas
Fill in the blanks
_____or ___________ is a process to separate solids dissolved in liquids.
Ammonium chloride can be separated from common salt by the method of ______.
Air is a mixture. Justify.
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
