1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements is used in pencil-lead?
2
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium?
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A sample of oxygen contains two isotopes of oxygen with masses 16u and 18u respectively. The proportion of these isotopes in the sample is 3 : 1. What will be the average atomic mass of oxygen in this sample?
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is a heterogeneous mixture?
Questions Asked from Chemistry (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and Functions Logarithms Quadratic Equations and Inequalities Sequence And Series Binomial Theorem Matrices Determinants Permutations and Combinations Probability Complex Numbers Vector Algebra Three Dimensional Geometry Statistics
Trigonometry
Trigonometric Angles and Equations Inverse Trigonometric Function Height and Distance Properties of Triangles
Coordinate Geometry
Calculus
English
General Studies