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प्रश्न
Assertion: Oxygen is a compound.
Reason: Oxygen cannot be broken down into anything simpler.
पर्याय
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true, but reason is not the correct explanation of assertion
Assertion is true but reason is false
Assertion is false but reason is true.
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उत्तर
Both assertion and reason are true and reason is the correct explanation of assertion.
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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
What is the proportion of element present in the following compound?
CO2
State three differences between water and air.
State four differences between compounds and mixtures.
Write the molecular formulae of compound lead sulphide.
Give the example of a compound containing hydrogen and oxygen.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
Explain the difference between Mixture and compounds.
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Which of the following are not compounds?
- Chlorine gas
- Potassium chloride
- Iron
- Iron sulphide
- Aluminium
- Iodine
- Carbon
- Carbon monoxide
- Sulphur powder
