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प्रश्न
Write the names of elements from the following symbol:
Fe
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उत्तर
Fe- Iron
संबंधित प्रश्न
Give one use of the following substance:
Iron
Give one use of the following substance:
Coal
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Select the correct answer from the choice given below.
An impure substance
Write the names of elements from the following symbol:
Zn
Explain the difference between Atoms and molecules.
Elements are the______ form of pure substances.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
