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1
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
To weld metals together, high temperature is required. Such a high temperature is obtained by burning
A
acetylene in oxygen
B
LPG in oxygen
C
methane in oxygen
D
acetylene in nitrogen
2
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Ammonia (NH3) obtained from different sources always has same proportion of nitrogen and hydrogen. It proves the validity the law of
A
reciprocal proportion
B
constant proportion
C
multiple proportions
D
None of the above
3
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Boric acid is an acid because its molecule
A
accepts OH$$-$$ from water releasing proton
B
combines with proton from water molecule
C
contains replaceable H+ ion
D
gives up a proton
4
NDA 2015 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The main constituent of vinegar is
A
acetic acid
B
ascorbic acid
C
citric acid
D
tartaric acid
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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