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FPSC MCQs

Federal Public Service Commission — Complete MCQ Bank

2,313 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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1091
Chemistry Hard Uploaded: 14 Jul 2026

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

  • AKMnO4
  • BK2MnO4
  • CK2SO4
  • DK2Cr2O7
1092
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
1093
Chemistry Medium Uploaded: 14 Jul 2026

Which polymer is used to make plastic water bottles and is identified by recycling code 1?

  • APET polyethylene terephthalate
  • BPVC
  • CPolystyrene
  • DPolypropylene
1094
Chemistry Hard Uploaded: 14 Jul 2026

What is the chemical formula for bleaching powder used in water purification?

  • ACa(OH)2
  • BCaCO3
  • CCa(OCl)Cl
  • DCaCl2
1095
Chemistry Medium Uploaded: 14 Jul 2026

What is saponification in chemistry?

  • AMaking soap by reacting fats with a strong alkali
  • BConversion of oils to alcohol
  • CAdding hydrogen to unsaturated fats
  • DMaking esters from acids and alcohols
1096
Chemistry Medium Uploaded: 14 Jul 2026

Which process converts vegetable oils into solid fats by adding hydrogen in the presence of a nickel catalyst?

  • ASaponification
  • BHydrogenation
  • CEsterification
  • DFermentation
1097
Chemistry Medium Uploaded: 14 Jul 2026

What is the chemical name of aspirin widely used as a pain reliever?

  • AParacetamol
  • BAcetylsalicylic acid
  • CIbuprofen
  • DSalicylic acid
1098
Chemistry Hard Uploaded: 14 Jul 2026

Which type of isomerism involves compounds with the same molecular formula but different structural arrangements?

  • AStructural isomerism
  • BOptical isomerism
  • CGeometric isomerism
  • DDynamic isomerism
1099
Chemistry Medium Uploaded: 14 Jul 2026

What does Avogadro's number represent?

  • ANumber of atoms in 1 gram of hydrogen
  • BNumber of particles in one mole of a substance
  • CNumber of molecules in 1 litre of gas
  • DNumber of protons in a nucleus
1100
Chemistry Hard Uploaded: 14 Jul 2026

Which law states that gases combine in simple whole number ratios by volume at the same temperature and pressure?

  • AGay-Lussac's Law
  • BBoyle's Law
  • CCharles's Law
  • DAvogadro's Law