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Chemistry B (Salters) H033 Salters: Practical skills Topical Past Paper Questions

OCR AS Chemistry B (Salters) H033 (Salters) past-paper questions on Practical skills, free. This topic is frequently examined across 5 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.

Sample questions

Summer (May/Jun) 2024· 1

Some students investigate the rate of the reaction of sodium thiosulfate with acid. $$ \mathrm{S_{2}O_{3}^{2-}(aq)}~+~2\mathrm{H^{+}(aq)}~\rightarrow~\mathrm{H_{2}O(l)}~+~\mathrm{SO_{2}(g)}~+~\mathrm{S(s)} $$ Equation 24.1 The students make a pencil mark on a piece of paper. They…

Summer (May/Jun) 2023· 2

This question is about Group 2 compounds. Group 2 hydroxides can be used to neutralise acidity in a variety of contexts. Magnesium hydroxide may be used to neutralise excess stomach acidity and calcium hydroxide may be used to neutralise acidity in soils. The hydroxides are forme…

Summer (May/Jun) 2018· 1

Some students research nitrogen oxides as air pollutants. (a) Name the main polluting effect of $ NO_{2} $ in the atmosphere. 11 (b) The students look up some data for the experimentally measured rates of the reaction shown below. $$ 2\mathrm{NO}_{2}\rightarrow2\mathrm{NO}+\mathr…

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