GK Chemistry Quiz 01

1.The gas which has a faint sweet odour is





2.which of the following acids under goes auto oxidation (simultaneously oxidation and reduction)





3.An important use of nitrous acid is in





4.The electric Arc process for manufacturing of nitric acid has become obsolute in many countries because





5.Which of the following metals is rendered passive by concentrated nitric acid?





6.Magnesium gives hydrogen with very dilute nitric acid. Which other metal behaves similarly?





7.Gold dissolves in aqua regia due to the formation of





8.With excess of chlorine ammonia gives





9.When ammonia burns in air the products are





10.Ammonia forms complexes with







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