Chemistry 9-1 0971: Carbonates Topical Past Paper Questions
Cambridge IGCSE Chemistry 9-1 (0971) past-paper questions on Carbonates, 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 volume of gas made in 75 seconds when dilute ethanoic acid reacts with solid sodium hydrogencarbonate. The student does five experiments using the apparatus shown in Figure 2.1. Figure 2.1 ## Experiment 1 - Use a 10cm³ measuring cylinder to pour 10.0cm³…
Eggshells are made from a mixture of calcium carbonate and other insoluble substances. Calcium carbonate reacts with dilute hydrochloric acid. The equation for the reaction is shown. $$ \mathrm{CaCO_{3}(s)}\mathrm{~+~2HCl(aq)}~\rightarrow~\mathrm{CaCl_{2}(aq)}~+\mathrm{H_{2}O(l)}…
A student tests two substances: solid M and solid N. ## Tests on solid M Table 3.1 shows the tests and the student's observations for solid M. Table 3.1 (a) Explain why a yellow (safety) Bunsen burner flame is not suitable for a flame test. (b) Identify the four ions in solid M.…
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