IGCSE Sciences - Co-Ordinated (0973) — October–November 2023, Paper 61
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A student tests milk and rice for their nutrient content. To make 'rice water' the student adds water to rice, leaves it for 5 minutes, stirs and pours off the rice water into two…
Answer this question and get it marked →Fig. 2.1 shows a photomicrograph of a single-celled organism called Euglena (an oval cell, pointed at one end, with internal structures). In the box below, make a large, detailed…
Answer this question and get it marked →A student investigates the neutralisation of dilute hydrochloric acid with aqueous sodium hydroxide (an exothermic reaction). The student puts 25 cm3 of dilute hydrochloric acid…
Answer this question and get it marked →A student investigates the formation of silver chloride in the test for chloride ions. When aqueous silver nitrate is added to aqueous sodium chloride, a white precipitate forms;…
Answer this question and get it marked →A student investigates the resistance of different lamp combinations, setting up the circuit in Fig. 5.1 (circuit 1: one lamp between points X and Y, with an ammeter and a…
Answer this question and get it marked →Plan an experiment to investigate whether the material a wire is made from affects the mass required to break the wire. One end of the wire is securely held by a clamp and masses…
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