Cambridge IGCSE · 0620 · Paper 1 · Multiple choice (Core)
Chemistry 0620/11 Oct/Nov 2014 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 1, Oct/Nov 2014: 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
- 32
File names: 0620_w14_qp_11 · 0620_w14_ms_11
Grade thresholds for 0620/11 Oct/Nov 2014
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 |
|---|---|---|---|---|
| 32 | 28 | 25 | 22 | 20 |
Topics in this paper
Which syllabus chapters 0620/11 Oct/Nov 2014 tested, by marks. Each chapter links to every past-paper question on it.
Questions in 0620/11 Oct/Nov 2014
- Question 1
Which statement is an example of diffusion? A A kitchen towel soaks up some spilt milk. B Ice cream melts in a warm room. C Pollen from flowers is blown by the wind. D The smell of cooking spreads through …
- Question 2
A mixture is separated using the apparatus shown. mixture funnel filter paper What is the mixture? A aqueous copper chloride and copper B aqueous copper chloride and sodium chloride C ethane and methane D ethanol and water
- Question 3
Ethanol is made by fermentation. How is ethanol obtained from the fermentation mixture? A chromatography B crystallisation C electrolysis D fractional distillation
- Question 4
What is different for isotopes of the same element? A nucleon number B number of electron shells C number of electrons in the outer shell D proton number
- Question 5
Which element has the atomic structure shown? e key electron nucleus 16n n neutron …
- Question 6
Slate has a layered structure and can easily be split into thin sheets. Which diagram shows a structure most like that of slate? …
- Question 7
Sodium chloride is an ionic solid. Which statement is not correct? A Ions are formed when atoms lose or gain electrons. B Ions in sodium chloride are strongly held together. C Ions with the same charge attract each other. D …
- Question 8
Caesium chloride and rubidium bromide are halide compounds of Group I elements. Caesium chloride has the formula …
- Question 9
How many atoms of hydrogen are there in a molecule of ethanol, C2H5OH? …
- Question 10
Iron forms an oxide with the formula Fe2O3. What is the relative formula mass of this compound? …
- Question 11
Which metal could not be used for electroplating by using an aqueous solution? A chromium B copper C silver D sodium
- Question 12
Which products are formed at the electrodes when a concentrated solution of sodium chloride is electrolysed? cathode (–) anode (+) A hydrogen chlorine B hydrogen oxygen C sodium chlorine D sodium oxygen
- Question 13
Which statements about exothermic and endothermic reactions are correct? 1 During an exothermic reaction, heat is given out. 2 The temperature of an endothermic reaction goes up because heat is taken in. 3 Burning methane in the air is an …
- Question 14
A power station was designed to burn gaseous fuels only. Which two substances could be used? A carbon dioxide and hydrogen B carbon dioxide and 235U C hydrogen and methane D methane and 235U
- Question 15
The rate of a reaction depends on temperature, concentration, particle size and catalysts. Which statement is not correct? A Catalysts can be used to increase the rate of reaction. B Higher concentration decreases the rate of reaction. C Higher temperature …
- Question 16
The diagram shows the change from an anhydrous salt to its hydrated form. hydrated salt anhydrous salt forward reverse Which statement is correct? A forward reaction requires heat and water B forward reaction requires water only C reverse reaction requires …
- Question 17
The equations for two reactions P and Q are given. P 2NaNO2 …
- Question 18
Which changes decrease the rate of reaction between magnesium and air? 1 heating the magnesium to a higher temperature 2 using a higher proportion of oxygen in the air 3 using magnesium ribbon instead of powdered magnesium …
- Question 19
Which substance is the most acidic? substance pH A calcium hydroxide 12 B lemon juice 4 C milk 6 D washing up liquid 8
- Question 20
- Question 21
How many different salts could be made from a supply of dilute sulfuric acid, dilute hydrochloric acid, copper, magnesium oxide and zinc carbonate? …
- Question 22
The graph shows how the pH of soil in a field changes over time. At which point was the soil neutral? …
- Question 23
Elements in Group I of the Periodic Table react with water. Which row describes the products made in the reaction and the trend in reactivity of the elements? products trend in reactivity A metal hydroxide and hydrogen less reactive down …
- Question 24
An element X has the two properties listed. 1 It acts as a catalyst. 2 It forms colourless ions. Which of these properties suggest that X is a transition element? property 1 property …
- Question 25
An inert gas X is used to fill weather balloons. Which descriptions of X are correct? number of outer electrons in atoms of X structure of gas …
- Question 26
The table shows the reactions of four different metals with water. metal reaction W reacts vigorously with cold water X no reaction with water Y reacts very slowly with water, more vigorously with steam Z reacts violently with cold water …
- Question 27
Which information about an element can be used to predict its chemical properties? A boiling point B density C melting point D position in the Periodic Table
- Question 28
Aluminium is the most common metal in the Earth’s crust. Which is not a property of aluminium? A low density B resistance to corrosion C good conductor of electricity D poor conductor of heat
- Question 29
The oxide of element X is reduced by heating with carbon. Element X does not react with cold water, steam or dilute hydrochloric acid. What is X? A copper B iron C magnesium D zinc
- Question 30
Which object is least likely to contain aluminium? A a bicycle frame B a hammer C a saucepan D an aeroplane body
- Question 31
Which reaction involves oxidation? A heating hydrated copper(II) sulfate in the air B polymerisation of ethene C rusting of iron D thermal decomposition of calcium carbonate
- Question 32
Which method can be used to obtain ammonia from ammonium sulfate? A Heat it with an acid. B Heat it with an alkali. C Heat it with an oxidising agent. D Heat it with a reducing agent.
- Question 33
Which method of purification would produce water most suitable for drinking? muddy river water purified water filtration filtration filtration settlement chlorination chlorination …
- Question 34
Which statement about methane is not correct? A It is a liquid produced by distilling petroleum. B It is produced as vegetation decomposes. C It is produced by animals, such as cows. D It is used as a fuel.
- Question 35
Which is an air pollutant that affects a part of the body other than the lungs and blood system? A lead compounds B nitrogen C oxides of nitrogen D sulfur dioxide
- Question 36
Increasing the number of atoms in one molecule of a hydrocarbon increases the amount of energy released when it burns. What is the correct order? less energy released more energy released A ethene ethane methane B ethene methane ethane C …
- Question 37
Which molecular structure shows hexene? …
- Question 38
The diagram shows three repeat units in the structure of an addition polymer. …
- Question 39
Which statement about alkenes is not correct? A The functional group is C=C. B The structural difference between one member and the next is – CH3 –. C They form a homologous series. D They turn aqueous bromine from brown …
- Question 40
Ethanol can be manufactured from substance X. substance X + steam ethanol catalyst What is substance X? A carbon dioxide B ethene C hydrogen D oxygen Group 140 Ce Cerium 58 141 Pr Praseodymium 59 144 Nd Neodymium 60 Pm …
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