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Mar 8, 2021 · This is a collection of free chemistry worksheets and handouts to print. Most of the printables are PDF files, although some are available as JPG or PNG files. All of these worksheets print cleanly on normal printer paper, plus you can resize them to fit your needs.
When a sodium thiosulfate solution (Na 2S2O 3(aq)) is added to hydrochloric acid, sulfur is formed. 1 What would you observe during the reaction? How could you set up the experiment to measure the reaction time for a given combination of thiosulfate and acid solutions? 2 What other products are formed?
Past papers, summary notes and past exam questions by topic for AQA, CIE, Edexcel, OCR and WJEC Chemistry A-levels, International A-levels, GCSEs and IGCSEs.
Chemistry_(Tro) unit 1: The Science of Chemistry (Pages 6–18) 1. Define chemistry as a science and explain how it is useful and relevant to everyday life. 1.1 2. Define and distinguish the major components of the “scientific approach to knowledge”: observations, hypothesis, experiments, scientific law, and theory. 1.3–1.4 3.
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Electrolysis for KS4 Chemistry - Worksheet (Answers) 1. Complete the diagram with the following labels: anode, cathode, electrodes, electrolyte, anion and cation 2. Describe an ionic bond. Electrostatic attraction between positive ions and negative ions 3. Why can’t a solid ionic substance conduct electricity?
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1. Put the following metals in order of reactivity. 2. Complete the equations. a. metal + oxygen → metal oxide. b. metal + water → metal hydroxide + hydrogen. m. i. It forms magnesium oxide. 4. What happens when copper is put into a beaker of water? nothing happens, copper is not reactive enough to react with water.
1. Try and answer the questions in this box. 2. Use your revision guide to check your answers and correct any you got wrong. 3. Use the revision guide to help you answer the questions you didn’t know. Answer the exam question in the ‘prove it’ section to show you understand the topic. You can mark this bit using the marking scheme.
