NTSE Stage 2 SAT 2019 Exam Question Paper
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Question : 82 of 100
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The following observations are given for four metals:
l. Metal H does not react with dilute HCl.
II. Metal K reacts with warm water.
III. Metal L does not react with water but displaces metal H from its aqueous salt solution.
IV Metal M reacts with cold water.
Choose the correct decreasing order of reactivity of these metals amongst the following:
l. Metal H does not react with dilute HCl.
II. Metal K reacts with warm water.
III. Metal L does not react with water but displaces metal H from its aqueous salt solution.
IV Metal M reacts with cold water.
Choose the correct decreasing order of reactivity of these metals amongst the following:
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