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 Form 2 Chemistry Questions and Answers on Chemical Families

Four metals F,G,H and J were each separately added to cold water , hot water and steam . The table below is a summary of the observation made and the formulae of the hydroxides formed.
(a) Which two elements are likely to be in the same group of the periodic table?
(b) Arrange the metals in order of their reactivity starting with the most reactive.

 (3m 4s)
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