UPSC NDA I 2016 General Ability Solved Paper

© examsiri.com

Question : 73 of 150

Marks: +1, -0

Which one of the following is a reduction reaction?

[NDA I 2016]

2Mg(s)+O2(g)–––>2MgO(s)
S(s)+O2(g)–––>SO2(g)
2HgO(s)
Heat
–––––––>
2Hg(l)+O2(g)
Mg(s)+S(s)–––>MgS(s)

Go to Question:

Prev Question

Next Question