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1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one among the following chemicals is used as washing soda?
A
Calcium carbonate
B
Calcium bicarbonate
C
Sodium carbonate
D
Sodium bicarbonate
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Why is potassium permanganate used for purifying drinking water?
A
It kills germs
B
It dissolves the impurities
C
It is a reducing agent
D
It is an oxidising agent
3
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The principal use of hydrofluoric acid is
A
in etching glass
B
as a bleaching agent
C
as an extremely strong oxidising agent
D
in the preparation of strong organic fluorine compounds
4
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The species that has the same number of electrons as, $$_{17}^{35}$$Cl is
A
$$_{16}^{32}$$S
B
$$_{16}^{34}$$ S+
C
$$_{18}^{40}$$ Ar+
D
$$_{16}^{35}$$ S2$$-$$
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Questions Asked from Marks 2.5
NDA Subjects
Mathematics
Algebra
Sets, Relations and FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Coordinate System and Straight LineCircleParabolaEllipseHyperbolaConic Section
Calculus
FunctionsLimit, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
English
General Science
General Studies