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ECAT (Engineering College Admission) Chemistry: Practice MCQs with Answers

Practise ECAT (Engineering College Admission) 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 ECAT (Engineering College Admission) paper.

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Sample ECAT (Engineering College Admission) Chemistry practice questions

  1. Q1. The number of moles of solute in 1 L of 1 M solution is

    • A) 0.5
    • B) 1
    • C) 1.5
    • D) 2

    Answer: 1

  2. Q2. The number of sigma bonds in CH4 is

    • A) 4
    • B) 3
    • C) 2
    • D) 1

    Answer: 4

  3. Q3. For the reaction 2A ⇌ B, if KC = 4, then for A ⇌ 1/2B, KC' is

    • A) 2
    • B) √4
    • C) 4²
    • D) 1/2

    Answer: √4

  4. Q4. A lake has a pH of 6. What is the pOH?

    • A) 8
    • B) 6
    • C) 7
    • D) 5

    Answer: 8

  5. Q5. The molar volume of an ideal gas at 1 atm and 0°C is

    • A) 22.4 L
    • B) 11.2 L
    • C) 20 L
    • D) 24 L

    Answer: 22.4 L

Frequently asked questions

What are practice Chemistry MCQs for ECAT (Engineering College Admission)?

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 ECAT (Engineering College Admission) Chemistry practice questions can I practise?

Imtehan organises ECAT (Engineering College Admission) Chemistry questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.

Is ECAT (Engineering College Admission) Chemistry practice practice free?

Yes — you can practise ECAT (Engineering College Admission) Chemistry MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.

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