Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blockMiscellaneous/MixedMedium2 minQB
ChemistryMediuminteger
Find the number of metals which react with cold water
Li, Al, Mn, Co, Na, Cr, Pb, Ba
Answer:
3
Solution:
Metals that react with cold water are highly reactive. From the given list, Li, Na, and Ba react with cold water.
Li (Lithium) reacts to form LiOH and H₂.
Na (Sodium) reacts vigorously to form NaOH and H₂.
Ba (Barium) reacts to form Ba(OH)₂ and H₂.
Al, Mn, Cr, and Pb do not react with cold water. Co does not react with cold water.
Thus, there are 3 metals.
Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: QB
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