in Other by
Q:

A non-metal A which is the largest constituent of air, when heated with H2 in 1 : 3 ratio in the presence of catalyst (Fe) gives a gas B. On heating with O2, it gives an oxide C. If this oxide is passed into water in the presence of air, it gives and acid D which act as a strong oxidising agent.

(a) Identify A, B, C and D.
(b) To which group of periodic table does this non-metal belong?

Related questions

0 votes
asked May 17, 2019 in Other by Derya
+2 votes
asked Jul 28, 2019 in R Language by Aarav2017
0 votes
asked Oct 31, 2019 in Other by MBarbieri
0 votes
asked Jan 9, 2020 in Vue.JS by GeorgeBell
0 votes
asked Jan 30, 2020 in Selenium by Deepanshu Burreja
...