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प्रश्न
Write true or false
The constituents of a mixture can only be separated by chemical means.
पर्याय
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
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
What is the proportion of element present in the following compound?
CO2
State the information obtained from the formula of a compound.
Write the molecular formulae of compound carbon monoxide
Give the example of a compound containing carbon and oxygen.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to properties
Explain the term mixture.
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
A compound has a fixed ______.
