1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements forms highest number of compounds?
A
Oxygen
B
Hydrogen
C
Chlorine
D
Carbon
2
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements corrodes rapidly?
A
Aluminium
B
Iron
C
Zinc
D
Silver
3
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
20 g of common salt is dissolved in 180g of water. What is the mass percentage of the salt in the solution?
A
5%
B
9%
C
10%
D
15%
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The valency of an element depends upon the
A
total number of protons in an atom
B
mass number of an atom
C
total number of neutrons in an atom
D
total number of electrons in the outermost shell of an atom
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