IGCSE Chemistry (0620) — October–November 2024, Paper 11
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →The table shows the melting and boiling points of four elements. Which element is a gas at room temperature and pressure? melting point / °C boiling point / °C --- --- --- A -101…
Answer this question and get it marked →Four statements about the arrangement or movement of particles are given. 1 Particles are packed in a regular arrangement. 2 Particles are randomly arranged. 3 Particles move over…
Answer this question and get it marked →One atom of an element contains 12 electrons, 12 protons and 13 neutrons. How many nucleons does this atom contain? A 12 B 13 C 24 D 25
Answer this question and get it marked →A diagram representing a mixture of four particles is shown (the diagram shows particles, some made of two joined identical atoms and some single atoms, of more than one kind).…
Answer this question and get it marked →Chlorine reacts with sodium to form sodium chloride. What happens to the sodium atoms during this reaction? A They gain electrons to form anions. B They lose electrons to form…
Answer this question and get it marked →Nitrogen monoxide, NO, is a simple molecular compound. Which row shows the properties of nitrogen monoxide? boiling point electrical conductivity --- --- --- A high good B high…
Answer this question and get it marked →Metal X is in Group II of the Periodic Table. X is reacted separately with dilute sulfuric acid and with oxygen. Which row identifies the products of each reaction? products with…
Answer this question and get it marked →What is the relative molecular mass, Mr, of sulfuric acid, H2SO4? A 81 B 82 C 97 D 98
Answer this question and get it marked →The equation for the production of ammonia, NH3, is shown. N2(g) + 3H2(g) - 2NH3(g) Which mass of nitrogen is required to make 51 tonnes of ammonia? A 21 tonnes B 25.5 tonnes C 42…
Answer this question and get it marked →The diagram shows the apparatus used to electroplate a nickel shape with silver. A power supply is connected to a silver rod and a nickel shape, both dipping in an electrolyte.…
Answer this question and get it marked →Concentrated aqueous sodium chloride and dilute sulfuric acid are each electrolysed separately using inert electrodes. Three statements about the electrolysis of these…
Answer this question and get it marked →Which reaction pathway diagram represents an endothermic reaction? (Four energy-vs-progress-of-reaction profiles are shown: A reactants higher than products; B products higher…
Answer this question and get it marked →The diagram shows a match. By striking the match, a chemical reaction takes place. Which row describes the chemical reaction? type of reaction reason --- --- --- A endothermic…
Answer this question and get it marked →Hydrogen peroxide decomposes to form water and oxygen. The equation is shown. 2H2O2(l) - 2H2O(l) + O2(g) Manganese(IV) oxide catalyses this reaction. Which statements about…
Answer this question and get it marked →Four students collect the gas produced from the reaction of calcium carbonate with dilute hydrochloric acid. Each student records the time taken to collect a volume of gas. Which…
Answer this question and get it marked →The equation for the reaction between hydrogen and oxygen is shown. 2H2(g) + O2(g) - 2H2O(g) Which statement explains why this is a redox reaction? A Both oxidation and reduction…
Answer this question and get it marked →Which statements about dilute ethanoic acid are correct? 1 It has a pH of 8. 2 It is an organic compound. 3 It turns universal indicator orange-yellow. 4 It reacts with magnesium…
Answer this question and get it marked →An aqueous solution of Z turns universal indicator paper purple. Which row identifies the colour of methyl orange and of thymolphthalein when they are added separately to an…
Answer this question and get it marked →Which row describes the solubility of lead(II) chloride and lead(II) sulfate in water? lead(II) chloride lead(II) sulfate --- --- --- A soluble soluble B soluble insoluble C…
Answer this question and get it marked →Four different groups of oxides are shown. 1 MgO FeO CuO 2 CaO SO2 TiO2 3 PbO CaO Cl2O 4 NO2 Br2O P2O5 Which statement about these groups of oxides is correct? A 1, 2 and 3…
Answer this question and get it marked →Four steps in the preparation of a soluble salt from a dilute acid and a solid metal oxide are listed. 1 Warm the dilute acid. 2 Evaporate the solution to half of its volume and…
Answer this question and get it marked →Which pair of elements react together most violently? A chlorine and lithium B chlorine and potassium C iodine and lithium D iodine and potassium
Answer this question and get it marked →Rubidium is an element in Group I of the Periodic Table. Which row describes a physical property and a chemical property of rubidium? physical property chemical property --- ---…
Answer this question and get it marked →Which row describes the state and colour of bromine at room temperature and pressure? state colour --- --- --- A liquid red-brown B liquid grey-black C solid red-brown D solid…
Answer this question and get it marked →Part of the Periodic Table is shown, with four elements labelled A, B, C and D in positions across a period (A on the left/metal side, B and C near the metalloid/non-metal region,…
Answer this question and get it marked →Which compound is made from elements that are all in the same period? A Al2(SO4)3 B C2H5OH C LiNO3 D Na3AlF6
Answer this question and get it marked →Silver metal is separately tested with cold water, with steam and with dilute hydrochloric acid. Which row identifies the tests that show the chemical reactivity of silver? (In…
Answer this question and get it marked →Which statement about the extraction of iron from hematite is correct? A Air is blown into the blast furnace to oxidise the molten iron. B Carbon dioxide is reduced by coke to…
Answer this question and get it marked →What is an alloy? A a compound of two metallic elements B a compound of metallic and non-metallic elements C a mixture of a metal and at least one other element D a pure metallic…
Answer this question and get it marked →The diagram shows an experiment to investigate how paint affects the rusting of iron. Tube S contains iron and tube T contains painted iron; both are inverted over water with air…
Answer this question and get it marked →Which statement describes clean, dry air? A It is a compound containing about 78% nitrogen and 21% oxygen only. B It is a mixture of about 21% nitrogen and 78% oxygen only. C It…
Answer this question and get it marked →Which word equation describes photosynthesis? A carbon dioxide + water - glucose + oxygen B glucose + water - carbon dioxide + oxygen C carbon dioxide + oxygen - glucose + water D…
Answer this question and get it marked →Some adverse effects caused by air pollutants are listed. - acid rain - photochemical smog - respiratory problems Which air pollutant contributes to all three of these adverse…
Answer this question and get it marked →Petroleum is an important raw material that is separated into useful products. Which terms describe petroleum and the method used to separate it? description separation method ---…
Answer this question and get it marked →Which statements about homologous series are correct? 1 All carboxylic acids have similar chemical properties. 2 All alcohols have the same molecular mass. 3 Ethane and ethene are…
Answer this question and get it marked →The formulae of two organic compounds, P and Q, are shown. P: CH3CH2CH2OH Q: CH3CH=CHCH3 Which type of organic compounds are P and Q? P Q --- --- --- A alcohol alkane B alcohol…
Answer this question and get it marked →Which fuel is manufactured by fermentation? A diesel B ethanol C hydrogen D kerosene
Answer this question and get it marked →Which statement about the disposal of waste plastics is correct? A They are put in landfill sites, where they quickly decompose. B They are burned to produce non-toxic products. C…
Answer this question and get it marked →Dyes are coloured substances. The chromatogram of substance X and four different dyes, 1, 2, 3 and 4, is shown (spots run from a baseline; X shows two spots that line up with two…
Answer this question and get it marked →The results of two tests on substance G are listed. - A flame test produces a yellow flame. - Substance G is added to aqueous sodium hydroxide and powdered aluminium and warmed…
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