Indian Navy MR metalsnonmetals — practice questions
4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Indian Navy MR metalsnonmetals in the app →A metal dissolves only in a 3:1 mixture of concentrated HCl and HNO₃ (aqua regia), not in either acid alone. TWhich acid generally does NOT give hydrogen gas on reacting with metals (except Mn, Mg)?In the reactivity series, which metal would be displaced from its salt solution by all of Fe, Zn and Al?On prolonged reaction of iron with steam, the oxide formed is