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1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following processes involves chemical reaction?
A
Evaporation of petrol
B
Dissolution of salt in water
C
Storing of oxygen gas under pressure in a gas cylinder
D
Burning of magnesium ribbon in air
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following metals does NOT react with cold water to liberate hydrogen gas?
A
Potassium
B
Iron
C
Calcium
D
Sodium
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33

Consider the following reaction:

2HgO $ \stackrel{\Delta}{\longrightarrow} $ 2Hg + O2

The respective state of HgO, Hg and O2 in the above reaction is

A
Liquid, solid, gas
B
Solid, solid, gas
C
Liquid, solid, liquid
D
Solid, liquid, gas
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
A liquid is heated up to a certain temperature. Which one of the following situation would correspond to the boiling of the liquid?
A
When atmospheric pressure becomes equal to the vapour pressure
B
When atmospheric pressure becomes less than vapour pressure
C
When atmospheric pressure becomes higher than the vapour
pressure
D
When vapour pressure becomes equal to the air pressure
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Questions Asked from Marks 4
NDA General Ability 13 April 2025 (13) NDA General Ability 21 April 2024 (14) NDA General Ability 3 September 2023 (19) NDA General Ability 16 April 2023 (16) NDA General Ability 4 September 2022 (13) NDA General Ability 10 April 2022 (15) NDA General Ability 18 April 2021 (15)
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
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