IGCSE Chemistry (0620) — May–June 2024, 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 structures in Fig. 1.1 (A = a giant covalent structure; B = methanol CH3OH; C = nitrogen N2; D = methanoic acid HCOOH; E = oxygen O2;…
Answer this question and get it marked →Blood plasma is the liquid part of blood. Table 2.1 shows the mass, in mg, of some ions present in 100 cm³ of blood plasma (name of ion; formula of ion; mass / mg): calcium Ca²⁺…
Answer this question and get it marked →Fig. 3.1 shows the apparatus used to electrolyse molten magnesium chloride, with a + / - power supply, electrodes dipping into the molten magnesium chloride, an unreactive gas…
Answer this question and get it marked →Some plants produce ethene gas. Draw the displayed formula for a molecule of ethene.
Answer this question and get it marked →An atom of sulfur is represented by the symbol ³⁴₁₆S (mass number 34, atomic number 16). Describe this atom of sulfur in terms of: the position of the electrons, neutrons and…
Answer this question and get it marked →Solid nitrogen pentoxide, N2O5, decomposes to produce nitrogen dioxide gas and oxygen gas. Complete the equation by adding the missing state symbols: 2N2O5(s) → 4NO2() + O2()
Answer this question and get it marked →Iron and copper are transition elements. They are malleable and are good thermal and electrical conductors. State three other physical properties of iron.
Answer this question and get it marked →This question is about carboxylic acids and alkanes. Table 8.1 shows the names, formulae and boiling points of some carboxylic acids (name; formula; boiling point / °C): methanoic…
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