For the following reactions: <br> <br> Which of the following statements is correct ?

Question

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( A ) (a) and (b) are elimination reactions and (c) is addition reaction.
( B ) (a) is elimination, (b) is substitution and (c) addition reaction.
( C ) (a) is elimination, (b) and (c) are substitution reactions
( D ) (a) is substitution, (b) and (c) are addition reactions.