1.

Assertion : The physical properties of natural rubber can be improved by vulcanisation . Reason : Neoprene is the monomer of natural rubber .

Answer»

If both assertion and reason are trueand reason is the correct EXPLANATIONOF assertion .
If both assertion and reason are true but reason is not the correct explanationof assertion .
If assertion is true but reason is false.
If both assertion and reason are false.

SOLUTION :ISOPRENE ( 2-methyl-1,3-butadiene ) is the MONOMER of NATURAL rubber .


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