Chemistry 9-1 4CH1: Inorganic Chemistry Topical Past Paper Questions
Edexcel IGCSE (9-1) Chemistry 9-1 (4CH1) past-paper questions on Inorganic Chemistry, 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 uses this apparatus to investigate the decomposition of hydrogen peroxide solution. This is the equation for the reaction. $$ 2\mathrm{H}_{2}\mathrm{O}_{2}\rightarrow2\mathrm{H}_{2}\mathrm{O}+\mathrm{O}_{2} $$ (a) Give a chemical test for the presence of water. (2) (b)…
A teacher adds a small piece of lithium to water and collects the gas produced. (a) (i) Give two observations when lithium is added to water. (2) (2) (ii) The teacher adds a few drops of universal indicator to the solution at the end of the reaction. Explain the final colour of t…
(a) Describe the forces of attraction in metallic bonding. (2) (b) When a small piece of potassium is added to water, bubbles of hydrogen gas are observed. (i) Give the test for hydrogen gas. (ii) Give two other observations that would be made. (2) (c) Explain why lithium is less…
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