Fun with Magnets

a magnet is bought from different directions towards a toy boat that has been floating in water in a tub.Effect observed in each case is stated in left side. possible reason is mentioned in right side.

    
Match the items on the right to the items on the left.
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U-shaped magnet
bar magnet
demagnetising magnet
method to store U- shape magnet
method to store bar magnet
use of magnet
magnet align to N-S direction when suspended freely
magnetic compass
circular magnet
unlike poles attract each other
like poles repel each other