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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement:
Example of a homogeneous mixture is
विकल्प
distilled water
tap water
sand and water
sawdust and water
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उत्तर
tap water
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संबंधित प्रश्न
Classify the following materials as homogeneous mixtures and heterogeneous mixtures :
Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.
Which of the following are homogeneous in nature ?
- ice
- wood
- soil
- air
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.
Which of the following can be separated by using a separating funnel and which cannot be separated by using a separating funnel ?
- water and kerosene mixture
- water and acetone mixture
Give reasons for your answer.
Give two examples of the following type of mixture.
liquid-gas
State whether the following statement is true or false. If false write – the correct statement.
Mixture has no definite set of properties.
Four atoms of hydrogen combine with one atom of carbon to give methane [CH4]. State the valency of carbon.
Suggest separation technique(s) one would need to employ to separate the following mixture.
Common salt, water and sand
The constituents that form a mixture are also called ______.
Mixtures are impure substances.
