IGCSE Sciences - Co-Ordinated (0654) — May–June 2024, Paper 62
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 glucose concentration of solution S. Benedict's solution is added to glucose solutions of different concentrations which are then heated; the resulting…
Answer this question and get it marked →A student tests solution T for the presence of two different nutrients. The student does the tests shown in Table 2.1 on solution T. Solution T tests negative with the biuret…
Answer this question and get it marked →A student determines the percentage by mass of magnesium in a mixture of magnesium and copper using two different calculations. When the mixture is added to dilute hydrochloric…
Answer this question and get it marked →Pure water boils at a temperature of 100 degrees C. When salt is dissolved in the water, the boiling temperature increases. Plan an experiment to find the relationship between the…
Answer this question and get it marked →A student determines the mass of a piece of modelling clay by two different methods. Procedure: the student moulds the clay into a cube, places it on a metre rule so its centre is…
Answer this question and get it marked →A student investigates the rate of cooling of hot water. Fig. 6.1 shows the reading on a thermometer to measure room temperature (scale 10, 20, 30 degrees C). Record the room…
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