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15.The following observations are given for four metals.1) Metal H does not react with dilute HCI.ll) Metal K reacts with warm water.III) Metal L does not react with water but displaces metal H from its aqueous salt solution.lV) Metal M reacts with cold water.Choose the correct decreasing order of reactivity of these metals amongst the following.1)M>L>H >K 2) K>M>H>L 3) M > k>L>H 4) L>H>K>M |
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Answer» 3 is the answer and as REACTIVITY SERIES follows cold WARM hot |
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