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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

2,026 Questions
Exam Preparation Guide

How to prepare for PPSC

PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

Punjab AffairsGeneral KnowledgeCurrent AffairsEnglish
Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
PPSC preparation illustration
31
Chemistry Medium Uploaded: 04 Sep 2026

Which acid is used in car batteries?

  • ANitric acid
  • BHydrochloric acid
  • CSulfuric acid
  • DAcetic acid
32
Chemistry Hard Uploaded: 04 Sep 2026

What is the chemical name for common bleach's active ingredient category?

  • AChloride
  • BChlorite
  • CHypochlorite
  • DChlorate
33
Chemistry Easy Uploaded: 04 Sep 2026

What is the chemical formula for methane?

  • AC2H6
  • BC2H4
  • CCH4
  • DCH3OH
34
Chemistry Medium Uploaded: 04 Sep 2026

What type of oxide typically forms when a metal reacts with oxygen?

  • AAmphoteric oxide
  • BAcidic oxide
  • CBasic oxide
  • DNeutral oxide
35
Chemistry Hard Uploaded: 04 Sep 2026

What is the term for the heat required to convert a liquid to gas at its boiling point?

  • AHeat of formation
  • BLatent heat of fusion
  • CSpecific heat capacity
  • DLatent heat of vaporization
36
Chemistry Easy Uploaded: 04 Sep 2026

What is the freezing point of pure water at standard atmospheric pressure?

  • A4°C
  • B100°C
  • C-10°C
  • D0°C
37
Chemistry Easy Uploaded: 04 Sep 2026

Which particle has a mass approximately equal to that of a proton?

  • AElectron
  • BPhoton
  • CNeutron
  • DPositron
38
Chemistry Hard Uploaded: 04 Sep 2026

What term describes compounds having the same molecular formula but different spatial arrangements?

  • AIsotopes
  • BAllotropes
  • CStereoisomers
  • DStructural isomers
39
Chemistry Easy Uploaded: 04 Sep 2026

What type of reaction is the burning of fuel in oxygen called?

  • ACombustion
  • BReduction
  • CNeutralization
  • DHydrolysis
40
Chemistry Easy Uploaded: 04 Sep 2026

Which acid is present in the human stomach?

  • ASulfuric acid
  • BHydrochloric acid
  • CNitric acid
  • DAcetic acid