Q. Which gas is evolved by the treatment of magnesium with very dilute solution on HNO_{3}?
A) N_{2}
B) NO_{2}
C) H_{2}
D) H_{2}O
Explanation
(c)
Magnesium and dilute HNO_{3}reacts to produce H_{2} gas.
Mg+2 HNO_{3}⟶Mg(NO_{3})_{2}+H_{2}↑
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.