1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg?
A
Ne < Mg < N < Si
B
Si < N < Mg < Ne
C
Ne < N < Si < Mg
D
Mg < Ne < N < Si
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following reactions is an example of decomposition reaction?
A
CH4 (g) + 2O2 (g) → CO2(g) + 2H2O(g)
B
2AgCI(s) $\rm \xrightarrow{Sunlight} $ 2Ag(s) + CI2(g)
C
CuO + H$\rm \xrightarrow{Heat} $ Cu + H2O
D
Fe(s) + CuSO4 (aq) → FeSO4 (aq) + Cu(s)
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12