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प्रश्न
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
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उत्तर
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संबंधित प्रश्न
Define: Elements
Name: an Inert Gas
Define Elements.
Define: Atom
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Give three differences between elements & compounds with relevant examples.
Differentiate between elements and compounds.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
