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MDCAT (Medical & Dental) Chemistry: Practice MCQs with Answers

Practise MDCAT (Medical & Dental) Chemistry practice MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on mixed practice sets across the full question bank, helping you build accuracy and speed for the actual MDCAT (Medical & Dental) paper.

Other MDCAT (Medical & Dental) Chemistry modes

Sample MDCAT (Medical & Dental) Chemistry practice questions

  1. Q1. In a chemical plant producing methanol from water gas, the reaction is carried out at 450C and 200 atm. Which catalyst is utilized?

    • A) Fe2O3 and Al2O3
    • B) ZnO and Cr2O3
    • C) V2O5 and Pt
    • D) Ni and Pd

    Answer: ZnO and Cr2O3

  2. Q2. A brewery uses molasses as a raw material for ethanol production. Which enzyme specifically converts sucrose into glucose and fructose during fermentation?

    • A) Diastase
    • B) Maltase
    • C) Invertase
    • D) Zymase

    Answer: Invertase

  3. Q3. During the industrial synthesis of phenol via the Dow's process, chlorobenzene is reacted with 10% NaOH. What are the required temperature and pressure?

    • A) 360C and 150 atm
    • B) 450C and 200 atm
    • C) 250C and 100 atm
    • D) 500C and 300 atm

    Answer: 360C and 150 atm

  4. Q4. To prevent the illegal consumption of industrial-grade ethanol, 10% methanol is added to it. What is the common name for this specific mixture?

    • A) Absolute alcohol
    • B) Rectified spirit
    • C) Power alcohol
    • D) Methylated spirit

    Answer: Methylated spirit

  5. Q5. A laboratory requires 100% pure ethanol for a sensitive reaction. Which substance is used to remove the last traces of water from rectified spirit?

    • A) P2O5
    • B) CaO
    • C) Anhydrous CaCl2
    • D) Concentrated H2SO4

    Answer: CaO

Frequently asked questions

What are practice Chemistry MCQs for MDCAT (Medical & Dental)?

Practice Chemistry MCQs are mixed practice sets across the full question bank. On Imtehan they are grouped into short sets so you can review one topic at a time before moving to timed mocks.

How many MDCAT (Medical & Dental) Chemistry practice questions can I practise?

Imtehan organises MDCAT (Medical & Dental) Chemistry questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.

Is MDCAT (Medical & Dental) Chemistry practice practice free?

Yes — you can practise MDCAT (Medical & Dental) Chemistry MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.

All MDCAT (Medical & Dental) Chemistry modes · MEDICAL exam guide · MDCAT (Medical & Dental) subjects