IGCSE A Level Chemistry MCQs - Chapter 21
Organic and Nitrogen Compounds Multiple Choice Questions PDF Download - 5
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Organic and Nitrogen Compounds Questions & Answers PDF Download: MCQ Quiz 5
MCQ 21: Zwitterion ions are
- crystalline solid
- soluble in water
- amphoteric
- all of above
MCQ 22: Polypeptides bear long molecules hence they are represented shorthand by
- three letter abbreviation
- numerals
- Roman numbers
- two letter abbreviations
MCQ 23: The number of amino acids by which human proteins are manufactured is
- twenty
- forty
- twelve
- eight
MCQ 24: By refluxing unsubstituted amide with acid, it will yield
- ammonia only
- carboxylic acid only
- nitrogen gas
- ammonia and carboxylic acid
MCQ 25: Ethanoyl chloride will react with concentrated ammonia solution to produce
- methanamine
- ethanoic acid
- Methanoic acid
- ethanamide
IGCSE A Level Chemistry Mock Tests
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