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प्रश्न
Write true or false
The constituents of a mixture can only be separated by chemical means.
विकल्प
True
False
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उत्तर
False.
The constituents of a mixture can be separated by chemical means and physical means.
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संबंधित प्रश्न
Name the process by which the components of following mixtures can be separated.
- Iron and sulphur
- Ammonium chloride and sand
- Common salt from sea water
- Chaff and grain
- Water and mustard oil
- Sugar and water
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture.
What is the difference between a pure substance and a mixture ?
What is the proportion of element present in the following compound?
H2O
State three differences between water and air.
Give the example of a compound containing hydrogen and oxygen.
Give the example of a compound containing nitrogen and oxygen.
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
Mention any four compounds and their uses.
Write any two properties of a compound.
