Question

Choose the most appropriate option from the list given below to fill in the blanks.

[NO, Nessler’s reagent, NO_2, Iron, brown ring, magnesium, Haber’s, Ostwald, Iron (II) sulphate, Hydrogen, Iron (III) sulphate]

Nitric acid in a very dilute form reacts with ______ to form ______.

Answer 1

Nitric acid in a very dilute form reacts with magnesium to form hydrogen.

Explanation: 

Very dilute nitric acid reacts with magnesium to form magnesium nitrate and hydrogen gas.

\[\ce{Mg + 2HNO3 (very dilute) -> Mg(NO3)2 + H2}\]