Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Oct/Nov 2022 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, Oct/Nov 2022: the question paper and its official mark scheme, 40 questions worth 40 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
- Grade A from
- 22
File names: 0620_w22_qp_12 · 0620_w22_ms_12
Grade thresholds for 0620/12 Oct/Nov 2022
The minimum raw marks Cambridge set for each grade on this component (out of 40). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 22 | 19 | 17 | 14 | 11 |
Topics in this paper
Which syllabus chapters 0620/12 Oct/Nov 2022 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Oct/Nov 2022
- Question 1
Which statement describes the particles in a liquid? A They are close together but have no regular arrangement. B They are densely packed in a regular order. C They move freely at high speed and are widely spaced. D They …
- Question 2
The apparatus used in a chromatography experiment is shown. Which line shows the starting depth of the solvent in the beaker? baseline …
- Question 3
Filtration is used to separate mixtures. Which type of mixture is separated by filtration? A an insoluble solid from a liquid B a liquid solvent from a solution C a dissolved solid from a solution D a liquid from a …
- Question 4
How many neutrons are present in one atom of …
- Question 5
Which statement about an alloy is correct? A It is a compound made of two or more elements, one of which is a metal. B It is a layer of a metal plated onto another metal. C It is a …
- Question 6
Which statement about compounds is correct? A Covalent compounds are less volatile than ionic compounds. B Covalent compounds conduct electricity when they are solid. C Ionic compounds conduct electricity when molten. D Ionic compounds are insoluble in water.
- Question 7
Which statement explains why diamond is used in cutting tools? A It has no free electrons. B It has a high melting point. C It is colourless. D It is hard.
- Question 8
Caffeine is a stimulant found in coffee. …
- Question 9
What is the relative formula mass of ammonium sulfate, (NH4)2SO4? …
- Question 10
The electrolysis of concentrated aqueous sodium chloride and molten sodium chloride is shown. …
- Question 11
When an acid is added to an alkali, the temperature of the reaction mixture rises. Which words describe this reaction? A decomposition and endothermic B decomposition and exothermic C neutralisation and endothermic D neutralisation and exothermic
- Question 12
Some properties of four fuels are shown. Which fuel is a gas at room temperature and makes two products when it burns in a plentiful supply of air? fuel formula melting point / C boiling point …
- Question 13
Which process is a physical change? A burning wood B cooking an egg C melting an ice cube D rusting iron
- Question 14
The volume of gas given off in a chemical reaction is measured over time. The results are shown. …
- Question 15
Which row describes the colours of the named salts? hydrated copper(II) sulfate hydrated cobalt(II) chloride anhydrous copper(II) sulfate anhydrous cobalt(II) chloride A blue blue white pink B blue pink white blue C white blue blue pink D white pink blue …
- Question 16
When magnesium is heated with zinc oxide a reaction occurs. The equation is shown. Mg + ZnO MgO + Zn Which substance is oxidised? A magnesium B magnesium oxide C zinc D zinc oxide
- Question 17
X and Y are oxides of two different elements. ● X reacts with water to produce aqueous solution …
- Question 18
Copper(II) sulfate is made by reacting excess insoluble solid M and solution N. Which row identifies M and N and the method used to extract crystals of copper(II) sulfate from the mixture? M N method A copper sodium sulfate crystals …
- Question 19
Which row shows the observation when a few drops of aqueous P is added to concentrated aqueous …
- Question 20
Which statement about the Periodic Table is correct? A Elements in the same group have the same number of electron shells. B Elements are arranged in order of increasing proton number. C Metals are on the right and non-metals are …
- Question 21
Elements J and K are in the same period in the Periodic Table. J reacts with acids to produce a salt and hydrogen. K reacts with sodium to form an ionic compound. Which statement about J and K is correct? …
- Question 22
Part of the Periodic Table is shown. Which element has a high density, a high melting point and forms a brown oxide? …
- Question 23
Gas G has 10 electrons. Gas H has eight more electrons than gas G. Both gases are monoatomic. Which statement about G and H is correct? A Both gases are in the same group of the Periodic Table. B Both …
- Question 24
Which property is correct for all metals? A They are good conductors of electricity. B They are hard. C They have high melting points. D They react with dilute acids.
- Question 25
Silver is below copper in the reactivity series. Which row describes the reactions of silver? reaction with steam reaction with dilute hydrochloric acid A no reaction no reaction B no reaction reacts to produce hydrogen gas C reacts to produce …
- Question 26
Which types of reaction do hematite and limestone undergo in the blast furnace? hematite limestone A reduction reduction B reduction thermal decomposition C thermal decomposition reduction D thermal decomposition thermal decomposition
- Question 27
Some properties and uses of different metals are shown. metal property use 1 aluminium low density aircraft 2 copper good conductor of electricity electrical wiring 3 copper poor conductor of heat cooking utensils 4 stainless steel corrodes easily cutlery Which …
- Question 28
The diagram shows a stage in the purification of dirty water. coarse gravel fine gravel sand dirty water pot with holes in bottom Which process does this apparatus show? A chlorination B condensation C distillation D filtration
- Question 29
Which substance in polluted air damages stonework and kills trees? A carbon dioxide B carbon monoxide C lead compounds D sulfur dioxide
- Question 30
Ammonium nitrate, NH4NO3, is a fertiliser and is added to fields to help crops grow. Slaked lime, Ca(OH)2, is an alkali and is added to fields to reduce the acidity of the soil. Ammonium nitrate and slaked lime should not …
- Question 31
Four reactions are shown. ethanol …
- Question 32
Which element has an oxide that is used as a food preservative? A helium B hydrogen C iron D sulfur
- Question 33
Which substance gives off carbon dioxide on heating? A lime B limestone C limewater D slaked lime
- Question 34
Which statement about both ethane and ethanol is correct? A They are hydrocarbons. B They contain oxygen. C They contain the same number of atoms. D They produce water when burned.
- Question 35
Fuel oil and naphtha are two fractions obtained from petroleum. What are the major uses of these fractions? fuel oil naphtha A jet fuel making chemicals B jet fuel making roads C ship fuel making chemicals D ship fuel making …
- Question 36
Which homologous series of compounds reacts to form an addition polymer? A alcohols B alkanes C alkenes D carboxylic acids
- Question 37
What is the total number of shared electrons in ethane, …
- Question 38
Which process produces ethanol from glucose? A catalytic addition B cracking C fermentation D polymerisation
- Question 39
Which statement about unsaturated hydrocarbons is correct? A CH3CH2CH=CHCH3 is an unsaturated hydrocarbon. B Ethene has more hydrogen atoms per molecule than ethane. C Unsaturated hydrocarbons have double bonds between carbon and hydrogen atoms. D Unsaturated hydrocarbons turn aqueous bromine …
- Question 40
An organic compound X contains two carbon atoms in each molecule. X reacts with aqueous sodium carbonate to give carbon dioxide. What is compound X? A ethanol B ethane C CH2=CH2 D CH3COOH Group The Periodic Table of Elements 1 …
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