IGCSE Chemistry (0620) — October–November 2023, Paper 32
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Answer the following questions using only the compounds from the list (ammonia, carbon dioxide, carbon monoxide, cobalt(II) chloride, ethane, ethene, glucose, methane, potassium…
Answer this question and get it marked →Petroleum is a mixture of hydrocarbons. Describe two characteristics of a mixture.
Answer this question and get it marked →Table 3.1 shows the average concentrations, in ng / 1000 cm³, of air pollutants in four different years. year carbon monoxide hydrocarbons oxides of nitrogen particulates sulfur…
Answer this question and get it marked →Tin is a solid at room temperature. State two general properties of a solid.
Answer this question and get it marked →This question is about metals. Table 5.1 shows some properties of some Group I metals. metal melting point in °C boiling point in °C atomic volume in cm³ / mol observations on…
Answer this question and get it marked →A student investigates the reaction of large pieces of magnesium with dilute hydrochloric acid at 20 °C. The magnesium is in excess. Fig. 6.1 shows the volume of hydrogen gas…
Answer this question and get it marked →Fig. 7.1 shows the displayed formula of fumaric acid (a molecule with two carboxylic acid -COOH groups and a C=C double bond between two CH carbons). On Fig. 7.1, draw a circle…
Answer this question and get it marked →Zinc chloride is an ionic compound. Ionic compounds are good electrical conductors when molten or in aqueous solution. Describe one other physical property of ionic compounds.
Answer this question and get it marked →← October–November 2023 Paper 33 · October–November 2023 Paper 31 →