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प्रश्न
Select homogeneous and heterogeneous mixtures from the following:
The salt solution, petrol, and water, sand, and charcoal, alcohol and water, air dissolved in water, air, seawater, fruit juices, mist, brass.
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उत्तर
Homogeneous mixture: Salt solution, alcohol, and water, air dissolved in water, seawater, brass.
Heterogeneous mixture: Sand and charcoal, air, fruit juice, mist, petrol, and water.
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संबंधित प्रश्न
Differentiate between homogeneous and heterogeneous mixtures with examples.
State the main points of difference between homogeneous and heterogeneous mixtures.
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.
The ‘sea water’ can be classified as a homogeneous mixture as well as a heterogeneous mixture ? Comment.
Define Miscible liquids
Give one example of the following type of mixture.
Solid-liquid heterogenous mixture
Write “true” or “false” for the following statement
Common salt is separated from its solution in water by decantation.
Tick (√) the correct alternative from the choice given for the following statement:
A set of the mixture is
Write answer to the following question in your own words.
How are the components of mixtures separated by simple methods?
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
