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4392 Previous Year Questions • 2016–2026 • Prelims, Mains, Essay, Optionals
Topic:[APFC] Chemistry (Concept & Everyday applications): Matter & its nature, physical & chemical changes, acids, bases & salts, metals & non-metals, carbon compounds (fuels & polymers), chemical reactions, everyday chemistry applications.23 PYQs
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EPFO APFC - General Ability Test
5 shown2025•EPFO APFC•General Ability Test•Q.55
Which one among the following statements with regard to fatty acids is correct?
General ScienceMedium
2025•EPFO APFC•General Ability Test•Q.56
Which one among the following are the primary reactants of photochemical smog ?
General ScienceMedium
2025•EPFO APFC•General Ability Test•Q.57
Which one among the following is known as Carbolic acid ?
General ScienceMedium
2025•EPFO APFC•General Ability Test•Q.58
Which one among the following is the primary commercial use of Amines ?
General ScienceMedium
2025•EPFO APFC•General Ability Test•Q.65
Which one among the following determines the Hardness Index of fresh water ?
General ScienceEasy
EPFO APFC - General Studies
3 shown2023•EPFO APFC•General Studies•Q.87
87. The
effluents of which among the
following industries are considered to
be the main cause for lowering the
pH value of river water?
General ScienceMedium
2023•EPFO APFC•General Studies•Q.88
88. Which one of the following is not a soap?
General ScienceEasy
2023•EPFO APFC•General Studies•Q.90
Consider the following reaction: 2H₂(g) + O₂(g) → 2H₂O(l). Which one of the following statements about the reaction given above is correct?
General ScienceMedium
EPFO EO/AO - General Ability Test
12 shown2023•EPFO EO/AO•General Ability Test•Q.54
54. Which one of the following elements has the highest boiling point ?
General ScienceMedium
2023•EPFO EO/AO•General Ability Test•Q.88
Crystals of copper sulphate pentahydrate, on heating, form:
General ScienceMedium
2023•EPFO EO/AO•General Ability Test•Q.89
Tartaric acid is found in:
General ScienceMedium
2023•EPFO EO/AO•General Ability Test•Q.90
Which one of the following is an example of chemical change?
General ScienceEasy
2021•EPFO EO/AO•General Ability Test•Q.48
Which one of the following is the size of hydrogen atom?
General ScienceMedium
2021•EPFO EO/AO•General Ability Test•Q.51
Which one of the following substances, when added to water, will not change the pH?
General ScienceEasy | Medium | Hard
2021•EPFO EO/AO•General Ability Test•Q.52
Which one of the following, on adding to water, will not scatter a beam of light?
General ScienceEasy | Medium | Hard
2021•EPFO EO/AO•General Ability Test•Q.53
Which one of the following will not be reduced by metallic zinc?
General ScienceMedium
2021•EPFO EO/AO•General Ability Test•Q.54
Who among the following discovered Proton?
General ScienceEasy
2021•EPFO EO/AO•General Ability Test•Q.55
Consider the following balanced equation: CO(g) + 2H2(g) → CH3OH(l). How many moles of CH3OH(l) can be obtained by reacting 2.0 mole of CO(g) with 2.0 mole of H2(g)?
General ScienceMedium
2017•EPFO EO/AO•General Ability Test•Q.94
Which one of the following gases has the highest solubility in water?
General ScienceMedium
2017•EPFO EO/AO•General Ability Test•Q.95
Bleaching powder contains
General ScienceEasy