Chemistry B (Salters) H033 Salters: What’s in a medicine? Topical Past Paper Questions
OCR AS Chemistry B (Salters) H033 (Salters) past-paper questions on What’s in a medicine?, free. This topic is frequently examined across 5 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
What is a property of the compound shown? A It can be oxidised to a carbonyl compound. B It gives a purple colour with neutral $ \mathrm{FeCl}_{3} $. C It is neutral in solution. D It reacts with alkalis but not carbonates.
Aspirin, $ CH_{3}COOC_{6}H_{4}COOH $, is a medicine that is made by an esterification reaction. It is conventionally made in the laboratory by refluxing a mixture of 2-hydroxybenzoic acid with ethanoic anhydride in the presence of a catalyst of concentrated sulfuric acid. (a) The…
Scientists have experimented with adding butan-1-ol to diesel fuel to try to get more power from the fuel and to reduce pollutants. Some of their results are shown below. (a) (i) Apart from giving more power, give one other advantage of adding butan-1-ol to diesel and explain why…
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