IGCSE Sciences - Co-Ordinated (0654) — May–June 2024, Paper 41
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 is a diagram of the female reproductive system in humans, with parts labelled A, B, C, D (down the right) and E, F (on the left). State which letter in Fig. 1.1…
Answer this question and get it marked →Magnesium sulfate contains magnesium ions, Mg2+, and sulfate ions, SO42-. Determine the formula of magnesium sulfate.
Answer this question and get it marked →Fig. 3.1 shows apparatus called a ripple tank, used to investigate water waves. An electric motor causes the board to vibrate, producing waves at a constant rate. The electric…
Answer this question and get it marked →A student investigates the effect of temperature on the rate of transpiration. Transpiration is estimated by recording the loss in mass. The student keeps one plant at 20 C and…
Answer this question and get it marked →Fig. 5.1 shows part of the structure of lithium chloride, with Li+ and Cl- ions. Deduce the formula of lithium chloride.
Answer this question and get it marked →Fig. 6.1 shows a canister filled with liquid chlorine under pressure. When the chlorine is released from the canister, it turns into a gas. Describe the arrangement and separation…
Answer this question and get it marked →Fig. 7.1 is a diagram showing the difference in the cells lining the gas exchange system of a person that smokes tobacco and a person that does not smoke tobacco. In the smoker's…
Answer this question and get it marked →A student investigates the reactivity of four metals W, X, Y and Z. They react the same sized piece of each metal with excess dilute hydrochloric acid. Table 8.1: W fizzed rapidly…
Answer this question and get it marked →Fig. 9.1 shows a skydiver before the parachute opens. An air resistance force of 760 N acts upwards and a force Q acts downwards. The skydiver has a mass of 84 kg. State the name…
Answer this question and get it marked →Fig. 10.1 is a diagram of part of the carbon cycle, linking carbon compounds in the atmosphere, in fossil fuels, in animals, in dead organisms and in plants, with processes…
Answer this question and get it marked →Electrolysis is the breakdown of an ionic compound by the passage of electricity. Complete the following sentences about the products of electrolysis. Choose words from the list:…
Answer this question and get it marked →A student is investigating electrical circuits. Fig. 12.1 shows a circuit made by the student (6.0 V supply, ammeter A, resistor R, voltmeter V). The ammeter reads 0.50 A and the…
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