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प्रश्न
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
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
Classify the following substances into compounds and mixtures:
Define: Molecule
Find the atomicity of the Following molecule:
Aluminium Suiphide
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Select the correct answer from the choice in the bracket.
The least reactive metal.
State five different characteristics of compounds.
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Elements are the______ form of pure substances.
______ is the life-giving element is the air.
