IGCSE Science - Combined (0653) — May–June 2024, Paper 63
4 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 growth of plants. Procedure: step 1 measures the mass of three potted plants A, B and C; step 2 gives each plant 50 cm³ of different concentrations of…
Answer this question and get it marked →When seeds germinate, they use oxygen gas for aerobic respiration. glucose + oxygen → carbon dioxide + water When placed in a test-tube as shown in Fig. 2.1, the seeds use up…
Answer this question and get it marked →A student investigates a green liquid. The green liquid is a mixture of substances dissolved in water. Some of these substances are coloured and the others are colourless.…
Answer this question and get it marked →A student determines the mass M of a metre rule. (a) The apparatus is shown in Fig. 4.1. The metre rule rests on a pivot at the 20.0 cm mark. The other end of the metre rule is…
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