Is the below statement true or false?

Chemical formula of rust is Fe2O3 .

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True

False

answer is B.

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Detailed Solution

The above statement is false.
●        The Rust formula is Fe2O3 x H2O.
●        Iron metal does not burn in dry air.
●        In moist air iron is slowly oxidized to give rust chemically known as iron oxide.
The correct statement would be that the Chemical formula of rust is Fe2O3 x H2O.

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