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प्रश्न
Write “true” or “false” for the following statement
Common salt is separated from its solution in water by decantation.
पर्याय
True
False
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उत्तर
False
Correct Statement: Common salt is separated from its solution in water by evaporation.
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संबंधित प्रश्न
Discuss the method of separating a mixture containing chalk powder, iron filings and naphthalene.
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.
Define the following:
Pure substance
Fill in the blanks
_____or ___________ is a process to separate solids dissolved in liquids.
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.
Tick (√) the correct alternative from the choice given for the following statement:
A heterogeneous mixture is
Tick (√) the correct alternative from the choice given for the following statement:
Which is not a mixture?
What would you observe when
a mixture of iron filings and sulphur powder is heated strongly
Write scientific reason.
Lemon sherbet has a sweet, sour and salty taste, and it can be poured into a glass.
