Sciences Co-ordinated 9-1 0973: C5 - Chemical energetics Topical Past Paper Questions
Cambridge IGCSE Sciences Co-ordinated 9-1 (0973) past-paper questions on C5 - Chemical energetics, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates the thermal energy released when zinc reacts with aqueous copper(II) sulfate. Zinc is a grey solid and aqueous copper(II) sulfate is a blue solution. When zinc reacts with aqueous copper(II) sulfate, thermal energy is released and the temperature of the rea…
(a) A student tests three different solutions to identify the ion in each solution. Draw lines to match each test to the observation and the ion in each solution. (b) Dilute sulfuric acid, $ H_{2}SO_{4} $, reacts with solid copper oxide, CuO. Copper sulfate solution and water are…
Sulfuric acid is made by the Contact process. Fig. 11.1 shows part of the Contact process. Fig. 11.1 (a) A catalyst is used in the Contact process. Complete Fig. 11.1 to show the two other essential conditions used. (b) In the Contact process, sulfur dioxide, $ SO_{2} $, reacts w…
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