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प्रश्न
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
विकल्प
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
Correct the following statement:
CO and Co both represents cobalt.
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Name: a Non-metal Which is a Good Conductor of Electricity.
Define: Molecule
Fill in the blank
A diatomic gaseous element is _______.
Indicate whether the following statement is true or false:
Elements are made up of compounds
Indicate whether the following statement is true or false:
All elements are artificially prepared
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
Write the names of elements from the following symbol:
Xe
Give an example of two liquids which form homogenous.
