IGCSE Chemistry (0620) — May–June 2024, Paper 33
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 = ethene; B = hydrogen chloride HCl; C = methane CH4; D = a giant covalent structure; E = ethane; F =…
Answer this question and get it marked →Intracellular fluid is the solution between the cells in the human body. Table 2.1 shows the masses, in mg, of some ions in 100 cm³ of intracellular fluid (name of ion; formula;…
Answer this question and get it marked →Molten calcium bromide is electrolysed. Define the term electrolysis.
Answer this question and get it marked →Chlorophyll is a coloured compound found in plants. Chlorophyll is needed for photosynthesis. Complete the word equation for photosynthesis: carbon dioxide + water → +
Answer this question and get it marked →An atom of phosphorus is represented by the symbol ³¹₁₅P (mass number 31, atomic number 15). Describe this atom of phosphorus in terms of: the position of the electrons, neutrons…
Answer this question and get it marked →Dilute hydrochloric acid reacts with small pieces of calcium carbonate: 2HCl(aq) + CaCO3(s) → CaCl2(aq) + H2O(l) + CO2(g) State the meaning of the state symbol (aq).
Answer this question and get it marked →Chromium and iron are transition elements. They are ductile and have high melting and boiling points. State three other physical properties of chromium.
Answer this question and get it marked →This question is about hydrocarbons. Table 8.1 shows the names, formulae and boiling points of methane, ethane, propane and butane (name; formula; boiling point / °C): methane CH4…
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