Question
Which of the following metals is placed at the bottom of
the reactivity series?ÂSolution
In chemistry, the reactivity series is a series of metals, in order of reactivity from highest to lowest. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series. Noble metals like gold, platinum are low in reactivity and are therefore kept at the bottom in the series. Hence, option A is correct.
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A) Diligent             B) Lazy          C) Despair       D) Hatch
...The word ‘after’ is a _______
He came after the meeting was postponed.
The rain comes . . . . . . the clouds.
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