IGCSE A Level Chemistry Exam MCQs – Practice Test 4 (Chapter 21)
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MCQ 16: Comparing the pH level of ethylamine and ammonia, the stronger base is:
MCQ 17: Amines and its derivatives are used to treat diseases like:
MCQ 18: The reaction between phenylamine and nitrous acid produce diazonium ion while making azo dye is called:
MCQ 19: A large protein for muscles is built up from our food for:
MCQ 20: The colored compounds which are formed on the addition of phenol to diazonium ion are called:
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