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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

154 Questions
Exam Preparation Guide

How to prepare for FPSC

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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91
Chemistry Medium Uploaded: 14 Jul 2026

What is the role of a catalyst in a chemical reaction?

  • AIncreases activation energy
  • BIs consumed by the reaction
  • CChanges the products formed
  • DIncreases reaction rate without being consumed
92
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction absorbs energy from the surroundings causing the temperature to fall?

  • AEndothermic
  • BExothermic
  • CDisplacement
  • DCombustion
93
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction releases energy to the surroundings causing the temperature to rise?

  • AEndothermic
  • BReversible
  • CEquilibrium
  • DExothermic
94
Chemistry Easy Uploaded: 14 Jul 2026

What is the SI unit of the amount of substance in chemistry?

  • AGram
  • BLitre
  • CKilogram
  • DMole
95
Chemistry Medium Uploaded: 14 Jul 2026

Which type of chemical formula shows the simplest whole number ratio of atoms in a compound?

  • AMolecular formula
  • BStructural formula
  • CDisplayed formula
  • DEmpirical formula
96
Chemistry Medium Uploaded: 14 Jul 2026

What is the concentration of a solution measured in moles per litre called?

  • ANormality
  • BMolality
  • CFormality
  • DMolarity
97
Chemistry Medium Uploaded: 14 Jul 2026

Which scientific law states that equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules?

  • ABoyle's Law
  • BGay-Lussac's Law
  • CAvogadro's Law
  • DCharles's Law
98
Chemistry Medium Uploaded: 14 Jul 2026

Which type of reaction occurs when a more reactive metal displaces a less reactive metal from its salt solution?

  • ADecomposition
  • BNeutralisation
  • CCombustion
  • DDisplacement
99
Chemistry Hard Uploaded: 14 Jul 2026

What is the chemical formula for potassium permanganate a strong oxidising agent?

  • AKMnO4
  • BK2MnO4
  • CK2SO4
  • DK2Cr2O7
100
Chemistry Hard Uploaded: 14 Jul 2026

Which synthetic polymer was the first to be produced commercially and is used to make electrical fittings?

  • ANylon
  • BPVC
  • CBakelite
  • DPolythene