IGCSE Chemistry (0971) — 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 →Using only the compounds from the list (ammonia, carbon dioxide, carbon monoxide, cobalt(II) chloride, ethane, ethene, glucose, methane, potassium sulfate, sodium phosphate,…
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 (carbon monoxide, hydrocarbons, oxides of nitrogen, particulates, sulfur dioxide) in 2019-2022. 2019:…
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 (melting point / degrees C, boiling point / degrees C, atomic volume in cm3/mol, observations…
Answer this question and get it marked →A student investigates the reaction of large pieces of magnesium with dilute hydrochloric acid at 20 degrees C. The magnesium is in excess. Fig. 6.1 shows the volume of hydrogen…
Answer this question and get it marked →Fig. 7.1 shows the displayed formula of fumaric acid (a molecule with two -COOH carboxylic acid groups and a C=C double bond). On Fig. 7.1, draw a circle around one carboxylic…
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.
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