give an example compound
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H2O
CO2
AL2O3
they are some examples
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COMPOUND
A compound is a substance made up of two or more elements chemically combined in a fixed proportion by mass.
Examples :- Water (H₂0) , Ammonia (NH₃) , Calcium Carbonate (CaCO₃) , Copper Sulphate (CuSO₄) , etc.
Extra Information:
» A compound cannot be separated into its components by physical methods.
» The properties of a compound are entirely different from those of its constituent elements.
» Energy is usually either given out or absorbed during the preparation of a compound.
» The composition of a compound is fixed, the constituents are present in a fixed proportion by mass.
» A compound has a fixed boiling point and melting point , etc.
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