1.

Arrange the following metal in the increasing order of their reactivity towards water, Zinc, Iron, Magnesium, Sodium

Answer»

IRON `LT` MAGNESIUM `lt` SODIUM `lt` zinc
iron `lt` zinc `lt` magnesium `lt` sodium
magnesium `lt` iron `lt` sodium `lt` zinc
sodium `lt` iron `lt` magnesium `lt` zinc

Answer :B


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