Give reasons for the following:
A. Metals are regarded as electropositive elements.
B. Zirconium is known as a strategic metal.
C. Reaction of nitric acid (HNO3) with metals generally does not evolve hydrogen gas.
D. Carbon is not used for making aluminium from aluminium oxide.
Answer:A
Give reasons for the following:
A. Metals are regarded as electropositive elements. B. Zirconium is known as a strategic metal. C. Reaction of nitric acid (HNO3) with metals generally does not evolve hydrogen gas. D. Carbon is not used for making aluminium from aluminium oxide.