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1
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is the chemical formula of washing soda?
A
NaHCO3
B
Na2CO3 . 10H2O
C
Na2CO3 . 5H2O
D
NaOH
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is not true for bleaching powder?
A
It is used as a reducing agent in chemical industries
B
it is used for bleaching wood pulp in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is the number of water molecules that share with two formula unit of CaSO4 in plaster of Paris?
A
One
B
Two
C
Five
D
Ten
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
How is carbon black obtained?
A
By heating wood at high temperature in absence of air
B
By heating coal at high temperature in absence of air
C
By burning hydrocarbons in a limited supply of air
D
By heating coal at high temperature in presence of air
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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