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प्रश्न
Name the following:
The component of a naphthalene-sodium chloride mixture, which remains in the evaporating dish when heated together, covered with a funnel.
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उत्तर
Sodium chloride.
संबंधित प्रश्न
Fill in the following blanks with suitable words :
Brine is a ..............whereas alcohol is a...............
How will you separate a mixture of mercury, oil and water ?
The constituents of a mixture are present in a fixed ration.
Give reason:
Why sulphur does dissolve when carbon disulphide is added to a mixture of iron and sulphur but not when it is added to iron sulphide?
Give two examples of the following type of mixture.
gas-gas
Write “true” or “false” for the following statement
Common salt is separated from its solution in water by decantation.
What would you observe when
a mixture of iron filings and sulphur powder is heated strongly
You are given two samples of water labelled as ‘A’ and ‘B’. Sample ‘A’ boils at 100°C and sample ‘B’ boils at 102°C. Which sample of the water will not freeze at 0°C? Comment.
Write scientific reason.
Lemon sherbet has a sweet, sour and salty taste, and it can be poured into a glass.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
