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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

1,997 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
1031
Chemistry Medium Uploaded: 14 Jul 2026

Which type of chemical bond exists between water molecules causing its unusually high boiling point?

  • ACovalent bond
  • BHydrogen bond
  • CIonic bond
  • DVan der Waals force
1032
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical symbol for silver?

  • ASi
  • BAg
  • CSr
  • DSn
1033
Chemistry Easy Uploaded: 14 Jul 2026

Which acid is present in the human stomach to aid digestion?

  • ASulfuric acid
  • BNitric acid
  • CAcetic acid
  • DHydrochloric acid
1034
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical formula for calcium carbonate found in limestone and chalk?

  • ACaSO4
  • BCa(OH)2
  • CCaCl2
  • DCaCO3
1035
Chemistry Medium Uploaded: 14 Jul 2026

Which isotope of carbon is used in radiocarbon dating?

  • ACarbon-12
  • BCarbon-13
  • CCarbon-11
  • DCarbon-14
1036
Chemistry Medium Uploaded: 14 Jul 2026

What is an isotope?

  • AAtoms of different elements with the same mass
  • BAtoms of the same element with different numbers of protons
  • CAtoms of the same element with the same number of protons but different neutrons
  • DAtoms of different elements with the same electrons
1037
Chemistry Hard Uploaded: 14 Jul 2026

Which element has the highest electronegativity on the Pauling scale?

  • AOxygen
  • BChlorine
  • CNitrogen
  • DFluorine
1038
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical name of NaOH?

  • ASodium chloride
  • BSodium carbonate
  • CSodium bicarbonate
  • DSodium hydroxide
1039
Chemistry Easy Uploaded: 14 Jul 2026

Which type of reaction involves an acid reacting with a base to form salt and water?

  • ADecomposition
  • BRedox
  • CNeutralisation
  • DPrecipitation
1040
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical formula for methane, the main component of natural gas?

  • AC2H6
  • BCH4
  • CC3H8
  • DC2H4