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IGCSE A Level Chemistry Competitive Exam: Practice Test 5 (Chapter 21)

Organic and Nitrogen Compounds Multiple Choice Questions (MCQs) PDF Download - 5

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The Organic and Nitrogen Compounds Multiple Choice Questions (MCQs) with Answers PDF (Organic and Nitrogen Compounds MCQs PDF e-Book) download Ch. 21-5 to study IGCSE A Level Chemistry Course. Practice Amino Acids MCQs, Organic and Nitrogen Compounds quiz questions and answers PDF for free online classes. The Organic and Nitrogen Compounds MCQs App Download: Free IGCSE A Level Chemistry App to study peptides and proteins, amides in chemistry career test to learn online GCE courses.

The MCQ: Zwitterion ions are "Organic and Nitrogen Compounds" App Download [Free] with answers: soluble in water, crystalline solid, and amphoteric to learn online GCE courses. Solve Uses of Halogens & their Compounds Quiz Questions, download Google eBook (Free Sample) for ACT subject tests.

Organic and Nitrogen Compounds MCQs with Answers PDF Download: MCQ Quiz 5

MCQ: 21

Zwitterion ions are

  1. crystalline solid
  2. soluble in water
  3. amphoteric
  4. all of above
MCQ: 22

Polypeptides bear long molecules hence they are represented shorthand by

  1. three letter abbreviation
  2. numerals
  3. Roman numbers
  4. two letter abbreviations
MCQ: 23

The number of amino acids by which human proteins are manufactured is

  1. twenty
  2. forty
  3. twelve
  4. eight
MCQ: 24

By refluxing unsubstituted amide with acid, it will yield

  1. ammonia only
  2. carboxylic acid only
  3. nitrogen gas
  4. ammonia and carboxylic acid
MCQ: 25

Ethanoyl chloride will react with concentrated ammonia solution to produce

  1. methanamine
  2. ethanoic acid
  3. Methanoic acid
  4. ethanamide

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