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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

2,313 Questions
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FPSC recruitment tests assess subject knowledge, general ability and job-related competence for federal government positions across Pakistan.

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Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
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1061
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical name of the compound with formula Na2SO4?

  • ASodium sulfite
  • BSodium sulfate
  • CSodium sulfide
  • DSodium bisulfate
1062
Chemistry Medium Uploaded: 14 Jul 2026

Which indicator is colourless in acidic solution and pink in alkaline solution?

  • ALitmus
  • BMethyl orange
  • CUniversal indicator
  • DPhenolphthalein
1063
Chemistry Easy Uploaded: 14 Jul 2026

Which indicator turns red in acidic solutions and blue in alkaline solutions?

  • ALitmus
  • BUniversal indicator
  • CPhenolphthalein
  • DMethyl orange
1064
Chemistry Hard Uploaded: 14 Jul 2026

Which law states that the amount of substance deposited during electrolysis is directly proportional to the quantity of electricity passed?

  • ABoyle's Law
  • BGay-Lussac's Law
  • CAvogadro's Law
  • DFaraday's First Law of Electrolysis
1065
Chemistry Hard Uploaded: 14 Jul 2026

What is the chemical formula for chloroform a once common anaesthetic?

  • ACH2Cl2
  • BCCl4
  • CCHCl2
  • DCHCl3
1066
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction in organic chemistry involves replacing a hydrogen atom with another atom or group?

  • AElimination
  • BSubstitution
  • CAddition
  • DHydrolysis
1067
Chemistry Medium Uploaded: 14 Jul 2026

What is the formula for calculating moles from mass and molar mass?

  • AMoles equals mass times molar mass
  • BMoles equals molar mass divided by mass
  • CMoles equals mass divided by molar mass
  • DMoles equals mass times volume
1068
Chemistry Medium Uploaded: 14 Jul 2026

Which process is used to separate crude oil into useful fractions based on different boiling points?

  • AFractional distillation
  • BChromatography
  • CCrystallisation
  • DFiltration
1069
Chemistry Medium Uploaded: 14 Jul 2026

Which element is liquid at room temperature and is the only non-metal element in this state?

  • AMercury
  • BBromine
  • CGallium
  • DCaesium
1070
Chemistry Hard Uploaded: 14 Jul 2026

What is the term for the energy required to remove one electron from a gaseous atom?

  • AElectron affinity
  • BElectronegativity
  • CLattice energy
  • DIonisation energy