IGCSE Sciences - Co-Ordinated (0654) — October–November 2024, Paper 63
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A student investigates the movement of water into and out of plant cells by osmosis. The student uses potato tissue and sugar solution. Procedure: the student prepares five large…
Answer this question and get it marked →A student tests potato and apple for their nutrient content using Benedict's solution, biuret solution and iodine solution. The potato tests positive with the iodine solution and…
Answer this question and get it marked →A student investigates the composition of air. When air is heated in air it reacts with oxygen and removes oxygen from the air. Procedure: the student pulls some air into a…
Answer this question and get it marked →Rust is a brown solid that forms on the surface of iron. At first, the brown solid cannot be seen with the eye. The rusting of iron in salt water is detected using indicator X.…
Answer this question and get it marked →A student measures the focal length of a converging lens. The student assembles the apparatus as shown in Fig. 5.1 (a lamp, an illuminated object, a converging lens in a lens…
Answer this question and get it marked →A student investigates the rate of cooling of water. The student assembles the apparatus shown in Fig. 6.1 (a thermometer in a beaker of hot water, held by a stand). Procedure:…
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