Loading...

ECAT (Engineering College Admission) Chemistry: Most Important MCQs with Answers

Practise ECAT (Engineering College Admission) Chemistry most important MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on critical must-know MCQs to prioritise before the exam, helping you build accuracy and speed for the actual ECAT (Engineering College Admission) paper.

Other ECAT (Engineering College Admission) Chemistry modes

More ECAT (Engineering College Admission) subjects

Sample ECAT (Engineering College Admission) Chemistry most important 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. A lake has a pH of 6. What is the pOH?

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

    Answer: 8

  3. Q3. The element that is a liquid at room temperature is:

    • A) Hg
    • B) Br2
    • C) Ga
    • D) Cs

    Answer: Br2

  4. Q4. Which of the following is the strongest acid?

    • A) C6H5OH
    • B) p-NO2C6H4OH
    • C) p-CH3C6H4OH
    • D) C2H5OH

    Answer: p-NO2C6H4OH

  5. Q5. The reaction of phenol with NaOH gives

    • A) Sodium phenoxide
    • B) Sodium phenolate
    • C) Both A and B
    • D) None of these

    Answer: Both A and B

Frequently asked questions

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

Most Important Chemistry MCQs are critical must-know MCQs to prioritise before the exam. 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 most important 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 most important practice free?

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

All ECAT (Engineering College Admission) Chemistry modes · ENGINEERING exam guide · ECAT (Engineering College Admission) subjects