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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.

General KnowledgeCurrent AffairsEnglishJob-related Subjects
Read the official syllabus first, then combine subject-specific revision with timed mixed-question practice.
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111
Chemistry Medium Uploaded: 14 Jul 2026

What is the general formula of alkanes where n is the number of carbon atoms?

  • ACnH2n
  • BCnH2n+2
  • CCnHn
  • DCnH2n-2
112
Chemistry Medium Uploaded: 14 Jul 2026

Which type of hydrocarbon contains at least one carbon to carbon double bond?

  • AAlkane
  • BAlkyne
  • CAlkene
  • DArene
113
Chemistry Easy Uploaded: 14 Jul 2026

What is the IUPAC name for the simplest hydrocarbon with formula CH4?

  • AEthane
  • BButane
  • CPropane
  • DMethane
114
Chemistry Medium Uploaded: 14 Jul 2026

Which type of organic compounds contain only carbon and hydrogen atoms?

  • AHydrocarbons
  • BAlcohols
  • CCarbohydrates
  • DCarboxylic acids
115
Chemistry Hard Uploaded: 14 Jul 2026

What are the products of the electrolysis of brine sodium chloride solution?

  • ASodium and water
  • BHydrogen chlorine and sodium hydroxide
  • CChlorine and sodium
  • DSodium chloride and water
116
Chemistry Medium Uploaded: 14 Jul 2026

Which process involves passing an electric current through a solution to cause a chemical reaction?

  • AElectrolysis
  • BDistillation
  • CChromatography
  • DFiltration
117
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical formula for nitric acid used in fertiliser and explosive manufacturing?

  • AH2SO4
  • BHCl
  • CH3PO4
  • DHNO3
118
Chemistry Medium Uploaded: 14 Jul 2026

Which element is essential for the structure of DNA and RNA molecules alongside carbon hydrogen oxygen and nitrogen?

  • ASulfur
  • BCalcium
  • CIron
  • DPhosphorus
119
Chemistry Easy Uploaded: 14 Jul 2026

What is the process by which plants use carbon dioxide and water to make glucose using sunlight?

  • ARespiration
  • BTranspiration
  • CPhotosynthesis
  • DDecomposition
120
Chemistry Easy Uploaded: 14 Jul 2026

What is the chemical formula for ozone, the molecule that forms the protective layer in the stratosphere?

  • AO
  • BO2
  • CO3
  • DO4