Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 Oct/Nov 2019 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, Oct/Nov 2019: the question paper and its official mark scheme, 40 questions, with the grade thresholds. Free to open, no account needed.
- Questions
- 40
- Marks
- 40
- Grade A from
- 23
File names: 0620_w19_qp_11 · 0620_w19_ms_11
Grade thresholds for 0620/11 Oct/Nov 2019
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 |
|---|---|---|---|---|
| 23 | 21 | 18 | 15 | 12 |
Topics in this paper
Which syllabus chapters 0620/11 Oct/Nov 2019 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 Oct/Nov 2019
- Question 1
The diagram shows a cup of hot tea. Which row describes the water particles in the air above the cup compared with the water particles in the cup? moving faster closer together …
- Question 2
A student is asked to measure the time taken for 0.4 g of magnesium carbonate to react completely with 25.0 cm3 of dilute hydrochloric acid. Which pieces of apparatus does the student need? A balance, stop-clock, pipette B balance, stop-clock, …
- Question 3
A fractionating column is used to separate the hydrocarbon fractions in petroleum by fractional distillation. Which row describes the properties of the fractions that condense at the top of the fractionating column? size of molecule boiling point A large high …
- Question 4
Some information about solid silver chloride and solid sodium chloride is shown. ● Silver chloride and sodium chloride do not dissolve in kerosene. ● Silver chloride is insoluble in water but sodium chloride is soluble in water. ● The boiling …
- Question 5
A covalent molecule M contains four shared pairs of electrons. What is M? A ammonia, NH3 B hydrogen chloride, HCl C methane, CH4 D water, H2O
- Question 6
An isotope of chromium is represented by Cr …
- Question 7
Substances P and Q both conduct electricity. P is a mixture of two different types of atom. Q is made of only one type of atom. Which row describes P and …
- Question 8
Graphite is a form of carbon. Why can graphite be used as a lubricant? A Graphite contains unbonded electrons which move through the structure. B Graphite contains weak covalent bonds so the atoms move easily. C Graphite has a low …
- Question 9
The structure of a molecule is shown. …
- Question 10
During the electrolysis of concentrated hydrochloric acid, gases are produced at both electrodes. Which statement describes the test result for the gas collected at the negative electrode? A It bleaches damp litmus paper. B It burns with a ‘pop’. C …
- Question 11
Which statements about endothermic reactions are correct? 1 The energy of the products is greater than the energy of the reactants. 2 The energy of the reactants is greater than the energy of the products. 3 The temperature of the …
- Question 12
Equations for the formation of anhydrous cobalt(II) chloride and anhydrous copper(II) sulfate are shown. CoCl 2•6H2O → CoCl …
- Question 13
A method used to investigate the rate of reaction of calcium carbonate with dilute hydrochloric acid under different conditions is shown. ● Place 50 cm3 of dilute hydrochloric acid in a conical flask. ● Add a known volume of water …
- Question 14
Which is a chemical change? A boiling water B cooking an egg C dissolving sugar D melting ice cubes
- Question 15
Mercury(II) oxide, HgO, decomposes when heated. The equation is shown. 2HgO → 2Hg + O2 Why is this a reduction reaction? A The products weigh less than the reactants. B There are fewer reactants than products. C There is a …
- Question 16
Carbonic acid is a weak acid formed when carbon dioxide dissolves in water. What is the pH of the solution? …
- Question 17
Solid X is tested as shown. reaction with dilute aqueous sodium hydroxide flame test reaction with dilute hydrochloric acid no reaction red flame gas produced which turned limewater milky What is X? A copper(II) carbonate B lithium carbonate C potassium …
- Question 18
Which oxide is basic? A carbon dioxide B sodium oxide C sulfur dioxide D water
- Question 19
A method used to make copper(II) sulfate crystals is shown. 1 Place dilute sulfuric acid in a beaker. 2 Warm the acid. 3 Add copper(II) oxide until it is in excess. 4 Filter the mixture. 5 Evaporate the filtrate until …
- Question 20
Which set of elements shows the change from metallic to non-metallic character across a period of the Periodic Table? A beryllium → magnesium → calcium B fluorine → bromine → iodine C oxygen → boron → lithium D sodium → …
- Question 21
Which pair of elements reacts together most violently? A chlorine and lithium B chlorine and potassium C iodine and lithium D iodine and potassium
- Question 22
What is not a typical property of a transition element? A acts as a catalyst B forms coloured compounds C has a high melting point D has a low density
- Question 23
Part of the Periodic Table is shown. Which element is used to provide an inert atmosphere? …
- Question 24
Some properties of substance X are listed. ● It conducts electricity when molten. ● It has a high melting point. ● It burns in oxygen and the oxide dissolves in water to give a solution with pH 11. What is …
- Question 25
Four different metals are reacted with an equal volume of dilute hydrochloric acid. The results of the reactions are shown. metal rate of effervescence calcium very high copper none iron low magnesium high What is the order of reactivity of …
- Question 26
Iron is extracted from its ore in a blast furnace. The equations for four different reactions are shown. 1 4Fe + 3CO2 → 2Fe2O3 …
- Question 27
Which statement is correct? A Aluminium is used in the manufacture of aircraft because it has a high density. B Copper is used for cooking utensils because it is a good conductor of heat. C Mild steel is used for …
- Question 28
River water contains soluble impurities, insoluble impurities and bacteria. River water is made safe to drink by filtration and chlorination. Which statement is correct? A Filtration removes bacteria and insoluble impurities, and chlorination removes soluble impurities. B Filtration removes insoluble …
- Question 29
Clean, dry air contains nitrogen, oxygen and small amounts of other gases. The noble gases have been left out of the table. Which row shows the composition of clean, dry air? nitrogen / % oxygen / % other gases …
- Question 30
The apparatus shown is set up and left for a week. damp iron wool air water Which diagram shows the level of the water at the end of the week? …
- Question 31
Farmers add calcium oxide (lime) and ammonium salts to their fields. The compounds are not added at the same time because they react with each other. Which gas is produced in this reaction? A ammonia B carbon dioxide C hydrogen …
- Question 32
Which information about carbon dioxide and methane is correct? carbon dioxide methane A formed when vegetation decomposes key B greenhouse gas …
- Question 33
What is not a use of sulfur dioxide? A as a bleach B as a food preservative C in the manufacture of wood pulp for paper D treating acidic soils
- Question 34
Which process is used to obtain lime from limestone? A cracking B fractional distillation C neutralisation D thermal decomposition
- Question 35
Petroleum is separated by fractional distillation. Which statement about the fractions produced is correct? A Bottled gas for heating and cooking is obtained from the naphtha fraction. B Diesel oil is used as a fuel for jet aircraft. C Substances …
- Question 36
Which compounds have similar chemical properties? A butanol and butanoic acid B ethane and ethene C methane and butane D propene and propanol
- Question 37
Which statement about a molecule of ethane is correct? A An ethane molecule has at least one double covalent bond. B It has C–H and C–O bonds. C An ethane molecule has seven covalent bonds. D Its bonds are formed …
- Question 38
Which products are obtained by the cracking of an alkane? alkene hydrogen water …
- Question 39
Which statements about aqueous ethanoic acid are correct? 1 It has a pH value of 10. 2 It reacts with metal carbonates to produce carbon dioxide gas. 3 It reacts with magnesium metal to produce hydrogen gas. …
- Question 40
The diagram shows the structure of a monomer and of the polymer made from it. …
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