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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
Classify each of the following as a homogeneous or heterogeneous mixture.
Soda water, wood, air, soil, vinegar, filtered tea.
Select the correct alternative from the choices given for the following statement:
Example of a homogeneous mixture is
Three mixtures A, B and C are obtained by stirring three different solids in water taken in separate beakers. When mixture A is allowed to stand for some time, then its particles settle at the bottom of the beaker. When a beam of light is passed through mixture A in a dark room, the path of light becomes visible when observed from the side of the beaker. When mixture B is allowed to stand for a considerable time, even then its particles do not settle down. Mixture B, however, scatters the beam of light just like mixture A. The particles of mixture C do not settle down on keeping and it also does not scatter a beam of light passing through it.
What are the mixtures like A known as ?
What are the mixtures like B known as ?
What are the mixtures like C known as ?
Name the phenomenon exhibited by A and B which occurs on passing a beam of light through them.
Name one mixture each which is like (i) A (ii) B, and (iii) C.
List four characteristics of a mixture.
Name two substances soluble in water.
Fill in the blanks
The substances that make a mixture are called its ______or_________.
Ammonium chloride can be separated from common salt by the method of ______.
Write “true” or “false” for the following statement
A pure substance consists of only one kind of atom or molecule.
Write “true” or “false” for the following statement
Winnowing is a process to remove small stones from grains.
Under which category of mixtures will you classify alloys and why?
