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PPSC MCQs

Punjab Public Service Commission — Complete MCQ Bank

164 Questions
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PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.

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Give special attention to Punjab geography, history and administration alongside the advertised post’s specialist syllabus.
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41
Chemistry Medium Uploaded: 07 Aug 2026

Which of the following describes a saturated solution?

  • AContains excess undissolved solute
  • BContains only solvent
  • CContains no solute
  • DContains maximum solute at given temperature
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42
Chemistry Easy Uploaded: 07 Aug 2026

Which term describes elements in the same column of the periodic table?

  • ASeries
  • BBlocks
  • CPeriods
  • DGroups
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43
Chemistry Easy Uploaded: 07 Aug 2026

What type of reaction occurs between an acid and a base?

  • ACombustion reaction
  • BDecomposition reaction
  • CRedox reaction
  • DNeutralization reaction
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44
Chemistry Medium Uploaded: 07 Aug 2026

What is the density of pure water at 4°C?

  • A2.0 g/cm3
  • B0.5 g/cm3
  • C1.0 g/cm3
  • D1.5 g/cm3
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45
Chemistry Easy Uploaded: 07 Aug 2026

What is the process of converting a solid directly to a gas called?

  • AEvaporation
  • BCondensation
  • CSublimation
  • DDeposition
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46
Chemistry Easy Uploaded: 07 Aug 2026

Which reaction type involves the combination of two or more substances to form a single product?

  • ADecomposition reaction
  • BCombination reaction
  • CDisplacement reaction
  • DDouble displacement reaction
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47
Chemistry Medium Uploaded: 07 Aug 2026

What is the pH of gastric acid in the human stomach approximately?

  • A1 to 2
  • B5 to 6
  • C7
  • D9 to 10
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48
Chemistry Easy Uploaded: 07 Aug 2026

What is the common name for the compound NaCl?

  • ABaking soda
  • BTable salt
  • CWashing soda
  • DEpsom salt
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49
Chemistry Medium Uploaded: 06 Aug 2026

Which element is commonly used in nuclear reactors as fuel?

  • AUranium
  • BCarbon
  • CLead
  • DSilicon
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50
Chemistry Medium Uploaded: 06 Aug 2026

What is the process by which plants convert light energy into chemical energy?

  • ARespiration
  • BFermentation
  • CPhotosynthesis
  • DTranspiration
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