1.

Nayan prepared a colourful chart of metal activity series for a school project. Using this chart she found that Potassium and Sodium react (i)___________with cold water whereas (ii)____________reacts less vigorously. From Magnesium till Iron ,metal react smoothly with(iii)______. Below(iv)________, metals do not react with water or steam. She concluded that most(v)__________metal is at top of the series. She used the the words given in the bracket. { active, vigorously, hydrogen,calcium, steam}.

Answer»

activevigorouslyhydrogencalciumsteam



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