JEE Main Chemistry: Purification and Characterisation of Organic Compounds — Chapter Test 1

JEE Main • Chemistry • Purification and Characterisation of Organic Compounds • Chapter Test

EasyFREE

Questions

20 min

Duration

Marks (1 each)

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

• Read each question carefully and pick the correct answer.
• You can mark questions for review and come back to them.
• Answers are saved automatically.
• The test is submitted automatically when time runs out.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15

Camphor can be purified by

distillation

sublimation

crystallisation

chromatography

View Correct Answer & Step-by-Step Solution

Correct Option:(B)sublimation

Detailed explanation is available inside the official test attempt review.

Question 2 of 15

Crude petroleum is separated into fractions by

simple distillation

fractional distillation

sublimation

filtration

View Correct Answer & Step-by-Step Solution

Correct Option:(B)fractional distillation

Detailed explanation is available inside the official test attempt review.

Question 3 of 15

Aniline is purified by

sublimation

steam distillation

crystallisation

filtration

View Correct Answer & Step-by-Step Solution

Correct Option:(B)steam distillation

Detailed explanation is available inside the official test attempt review.

Question 4 of 15

Chromatography works on the principle of

different boiling points

differential adsorption/partition

different densities

magnetism

View Correct Answer & Step-by-Step Solution

Correct Option:(B)differential adsorption/partition

Detailed explanation is available inside the official test attempt review.

Question 5 of 15

In Lassaigne's test, nitrogen is detected by the formation of

a black precipitate

Prussian blue colour

a white precipitate

a violet colour

View Correct Answer & Step-by-Step Solution

Correct Option:(B)Prussian blue colour

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in JEE Main Chemistry: Purification and Characterisation of Organic Compounds — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Purification and Characterisation of Organic Compounds" of JEE Main Chemistry. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.