Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/12 Oct/Nov 2016 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 2, Oct/Nov 2016: 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
- 22
File names: 0620_w16_qp_12 · 0620_w16_ms_12
Grade thresholds for 0620/12 Oct/Nov 2016
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 2016 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/12 Oct/Nov 2016
- Question 1
‘Particles moving very slowly from an area of higher concentration to an area of lower concentration.’ Which process is being described? A a liquid being frozen B a solid melting C a substance diffusing through a liquid D a substance …
- Question 2
A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not …
- Question 3
A sample contains a mixture of powdered limestone (calcium carbonate), sugar and wax. What is the correct way to obtain a pure sample of sugar? A Dissolve the mixture in dilute hydrochloric acid, filter and wash the residue. B Dissolve …
- Question 4
The table shows information about four different particles. particle proton number nucleon number number of protons number of neutrons number of electrons Na …
- Question 5
Which pair of statements about diamond and graphite is correct? diamond graphite A Diamond and graphite are both pure carbon. They are both macromolecules. B Diamond and graphite can both be used as electrodes. Graphite is also used as a …
- Question 6
Which row shows the electronic structure of the sodium ion and the chloride ion in sodium chloride? sodium ion chloride ion …
- Question 7
A molecule of X contains two bromine atoms, three carbon atoms, six hydrogen atoms and one oxygen atom. What is the formula of X? A CHBrO …
- Question 8
The diagram shows the electrolysis of concentrated aqueous sodium chloride using inert electrodes. concentrated aqueous sodium chloride + – Which substances are produced at the electrodes? anode cathode A colourless gas colourless gas B colourless gas green gas C green …
- Question 9
Which apparatus could be used to electroplate an iron nail with copper? …
- Question 10
Which experiment is the most exothermic? initial temperature / °C final temperature …
- Question 11
Which substance is not used as a fuel? A bitumen B diesel C gasoline D hydrogen
- Question 12
Zinc granules are reacted with excess dilute hydrochloric acid. The volume of hydrogen given off is measured at different times. The results are shown on the graph, labelled experiment 1. The results for a second experiment are also shown on …
- Question 13
When green crystals of nickel(II) sulfate are heated, water is given off and a yellow solid remains. When water is added to the yellow solid, the green colour returns. Which process describes these changes? A combustion B corrosion C neutralisation …
- Question 14
In which reaction is the copper compound reduced? A CuCO3 → CuO + CO2 B CuO + H2SO4 → CuSO4 …
- Question 15
The element selenium forms the oxide SeO2. This oxide dissolves in concentrated aqueous sodium hydroxide. The element zirconium forms the oxide ZrO2. This oxide dissolves in concentrated sulfuric acid. How are the elements selenium and zirconium classified? selenium zirconium A …
- Question 16
Aqueous sodium hydroxide was added slowly, until in excess, to separate solutions of …
- Question 17
Acids can react with metal oxides, carbonates and metals. Which reactions produce a gas? acid with metal oxide acid with carbonate acid with metal …
- Question 18
The apparatus shown is used to prepare aqueous copper(II) sulfate. Y stirrer solid X aqueous copper(II) sulfate excess of solid X filter paper heat What are X and …
- Question 19
Part of the Periodic Table is shown. …
- Question 20
What is not a property of Group I metals? A They are soft and can be cut with a knife. B They react when exposed to oxygen in the air. C They produce an acidic solution when they react with …
- Question 21
Which gas is not a noble gas? A fluorine B helium C radon D xenon
- Question 22
Which element is a transition element? colour of chloride melting point of element …
- Question 23
Which statement about the elements in Group VII is not correct? A Br2 is less reactive than I2. B Cl 2 is used for water treatment. C F2 is a covalent molecule. D I2 forms a purple vapour when warmed.
- Question 24
Four metals are listed in decreasing order of reactivity. magnesium zinc iron copper Titanium reacts with acid and cannot be extracted from its ore by heating with carbon. Where should titanium be placed in the list? A below copper B …
- Question 25
Impurities in iron obtained from the blast furnace include carbon, phosphorus and silicon. Which impurities are removed from the molten iron as gases when it is made into steel? A carbon and phosphorus B carbon and silicon C carbon only …
- Question 26
A student added dilute hydrochloric acid to four metals and recorded the results. Some of the results are not correct. results metal gas given off 1 copper yes 2 iron yes 3 magnesium no 4 zinc yes Which two results …
- Question 27
What is a common use of mild steel? A aircraft manufacture B electrical wiring C making car bodies D making cutlery
- 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
Air is a mixture of gases. Which gas is present in the largest amount? A argon B carbon dioxide C nitrogen D oxygen
- Question 30
Which information about carbon dioxide and methane is correct? carbon dioxide methane A formed when vegetation decomposes key B greenhouse gas …
- Question 31
Aqueous sodium hydroxide is added to a sample of a fertiliser and the mixture warmed. Ammonia gas is given off. Which ion does the fertiliser contain? A ammonium B nitrate C phosphate D potassium
- Question 32
Which reaction would not result in the production of carbon dioxide? A combustion of methane B fermentation C reaction between an acid and a metal D respiration
- Question 33
Which substance gives off carbon dioxide on heating? A lime B limestone C limewater D slaked lime
- Question 34
Petroleum is separated into fractions. Which statement is not correct? A Each fraction contains a mixture of hydrocarbon molecules. B Fuel oil burns easily and is used as fuel in cars. C Refinery gas is the fraction containing the smallest …
- Question 35
Butane reacts as shown. butane butene + hydrogen catalyst and heat What is this type of reaction? A combustion B cracking C polymerisation D reduction
- Question 36
Which compound is not a member of the alkene homologous series? A CH3CHCH2 B CH3CH2CHCH2 C CH3CHCHCH3 D CH3CH2CH2CH2CH3
- Question 37
Which compound decolourises aqueous bromine? A 2-methylpropane B butane C cyclohexane D hexene
- Question 38
The equation represents the fermentation of X. X yeast ethanol + carbon dioxide What is X? A ethanoic acid B ethene C glucose D methanol
- Question 39
Which molecule can be polymerised? …
- Question 40
Which equation for the complete combustion of ethanol is correct? A C2H5OH …
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