Advertisements
Advertisements
प्रश्न
A colloid is a ______ mixture and its components can be separated by the technique known as ______.
Advertisements
उत्तर
A colloid is a heterogeneous mixture and its components can be separated by the technique known as centrifugation.
APPEARS IN
संबंधित प्रश्न
Classify each of the following as a homogeneous or heterogeneous mixture.
Soda water, wood, air, soil, vinegar, filtered tea.
List five characteristics by which compounds can be distinguished form mixtures.
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.
How will you separate a mixture of kerosene oil and water ? Explain with the help of a labelled diagram.
Define the following:
Alloy
Define the following:
Solution
Define the following:
Heterogeneous mixture
Give an example for mixture and justify your answer with reason.
Suggest separation technique(s) one would need to employ to separate the following mixture.
Mercury and water
Mixtures are impure substances.
