Organic and Inorganic Industrial Chemistry MCQs 2026

5 questions with detailed answers · 4 from past papers · 1 quiz batches available

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Page 1 of 1 Questions 110 of 5
  1. Q1 Past Paper · PPSC/FPSC/CSS medium

    Ostwald process oxidizes ammonia to

    1. A sulfuric acid directly without intermediates
    2. B hydrogen peroxide only always in one step here
    3. C polyethylene
    4. D nitric acid
    💡 Explanation:

    NH3 → NO → HNO3.

  2. Q2 Past Paper · PPSC/FPSC/CSS easy

    Contact process produces sulfuric acid using

    1. A SO2 oxidation to SO3 on catalyst
    2. B only ammonia synthesis
    3. C only urea recycle
    4. D only PVC polymerization
    💡 Explanation:

    Vanadium catalyst SO2 → SO3.

  3. Q3 medium

    Phosphoric acid from phosphate rock often uses

    1. A only distillation of crude oil
    2. B only polymer extrusion
    3. C only electroplating copper
    4. D sulfuric acid attack
    💡 Explanation:

    Wet process phosphoric acid.

  4. Q4 Past Paper · PPSC/FPSC/CSS easy

    Chlor-alkali process produces

    1. A only Portland cement
    2. B chlorine, hydrogen and caustic soda
    3. C only gasoline octane
    4. D only nitrogen fertilizer directly in one step
    💡 Explanation:

    Electrolysis of brine.

  5. Q5 Past Paper · PPSC/FPSC/CSS medium

    Solvay process makes soda ash from

    1. A only ethylene cracking
    2. B only iron ore reduction
    3. C NaCl, NH3, CO2 and limestone
    4. D only wood pulping only
    💡 Explanation:

    Ammonia-soda process.