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1
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following gases is placed second in respect of abundance in the Earth's atmosphere?
A
Oxygen
B
Hydrogen
C
Nitrogen
D
Carbon dioxide
2
NDA 2017 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is a chemical change?
A
Cutting of hair
B
Graying of hair naturally
C
Swelling of resin in water
D
Cutting of fruit
3
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
4
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
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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