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Question
Select the correct options for the reaction of metals with cold water.
Select the correct options for the reaction of metals with cold water.
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Solution
The correct option is C Aluminium- Less reactive
Potassium reacts vigorously with cold water, so it is highly reactive and not inert.
Magnesium reacts with hot water but not with cold water. That means it requires some energy to react, so it is moderately reactive.
Aluminium does not react with hot water nor cold water. It reacts only with steam that means it needs more energy. So, it is less reactive.
Gold does not react even with steam, it is considered as an inert metal.
Potassium reacts vigorously with cold water, so it is highly reactive and not inert.
Magnesium reacts with hot water but not with cold water. That means it requires some energy to react, so it is moderately reactive.
Aluminium does not react with hot water nor cold water. It reacts only with steam that means it needs more energy. So, it is less reactive.
Gold does not react even with steam, it is considered as an inert metal.
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