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प्रश्न
Write “true” or “false” for the following statement
Winnowing is a process to remove small stones from grains.
पर्याय
True
False
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उत्तर
False
Correct Statement: Winnowing is a process to remove the husk from grains.
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संबंधित प्रश्न
List the points of differences between homogeneous and heterogeneous mixtures with examples.
Name the process you would use to separate a mixture of anthracene and copper sulphate ?
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.
Give two examples of the following type of mixture.
solid-solid
Write “true” or “false” for the following statement
Steel is an alloy of iron and aluminum.
Make a fruit or vegetable salad. Give reasons why you think it is a mixture.
A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?
Sucrose (sugar) crystals obtained from sugarcane and beetroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.
You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture?
Supernatant denotes the heterogeneous mixture, lying above a solid residue, after crystallization, precipitation, centrifugation, or another process.
