Cambridge IGCSE ยท 0620 ยท Paper 1 ยท Multiple choice (Core)
Chemistry 0620/13 Oct/Nov 2010 past paper
Cambridge IGCSE Chemistry (0620) Paper 1 (Multiple choice (Core)), variant 3, Oct/Nov 2010: 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
- 33
File names: 0620_w10_qp_13 ยท 0620_w10_ms_13
Grade thresholds for 0620/13 Oct/Nov 2010
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 |
|---|---|---|---|---|
| 33 | 0 | 26 | 0 | 21 |
Topics in this paper
Which syllabus chapters 0620/13 Oct/Nov 2010 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Metals | 6 | โ |
| The Periodic Table | 5 | โ |
| Chemistry of the environment | 5 | โ |
| Atoms, elements and compounds | 4 | โ |
| Organic chemistry | 4 | โ |
| Acids, bases and salts | 4 | โ |
| Electrochemistry | 3 | โ |
| States of matter | 2 | โ |
| Experimental techniques and chemical analysis | 2 | โ |
| Chemical energetics | 2 | โ |
| Chemical reactions | 2 | โ |
| Stoichiometry | 1 | โ |
Questions in 0620/13 Oct/Nov 2010
- Question 1
In which changes do the particles move further apart? W X gas liquid solid โฆ
- Question 2
The table shows the structure of different atoms and ions. particle proton number nucleon number number of protons number of neutrons number of electrons Mg โฆ
- Question 3
Element X has a nucleon (mass) number of 19 and a proton (atomic) number of 9. To which group in the Periodic Table does it belong? โฆ
- Question 4
A mixture of ethanol and methanol are separated by fractional distillation. This method of separation depends on a difference in property X of these two alcohols. What is property X? A boiling point B colour C melting point D solubility
- Question 5
Chromatography is used to find out if a banned dye, P, is present in foodstuffs. The results are shown in the diagram. Which foodstuff contains โฆ
- Question 6
Which diagram does not show the outer shell electrons in the molecule correctly? โฆ
- Question 7
- Question 8
The chemical compositions of two substances, W and X, are given. W Na(Al Si3)O8 X Ca(Al 2Si2)O8 Which statements are correct? 1 W and X contain the same amount of oxygen. 2 W contains three times as much silicon as โฆ
- Question 9
The electronic structures of atoms X and Y are shown. โฆ
- Question 10
Element X is shiny and can be formed into a sheet by hammering. Which row correctly describes the properties of element X? conducts electricity melts below โฆ
- Question 11
Substance X was electrolysed in an electrolytic cell. A coloured gas was formed at the anode and a metal was formed at the cathode. cathode substance X anode power supply What is substance X? A aqueous sodium chloride B molten โฆ
- Question 12
The diagram shows apparatus used in an attempt to electroplate a metal ring with copper. + โ aqueous copper(II) sulfate (electrolyte) metal ring copper electrode bulb The experiment did not work. What change is needed in the experiment to make โฆ
- Question 13
When concentrated sodium chloride solution is electrolysed, elements X and Y are formed. โฆ
- Question 14
Calcium carbonate was reacted with hydrochloric acid in a conical flask. The flask was placed on a balance and the mass of the flask and contents was recorded as the reaction proceeded. During the reaction, carbon dioxide gas was given โฆ
- Question 15
Which is an endothermic process? A burning hydrogen B distilling petroleum C reacting potassium with water D using petrol in a motor car engine
- Question 16
The diagrams show some pieces of laboratory equipment. 3 thermometer โฆ
- Question 17
Which reaction will result in a decrease in pH? A adding calcium hydroxide to acid soil B adding citric acid to sodium hydrogen carbonate solution C adding sodium chloride to silver nitrate solution D adding sodium hydroxide to hydrochloric acid
- Question 18
When pink crystals of cobalt(II) chloride are heated, steam is given off and the colour of the solid changes to blue. CoCl2.6H2O CoCl2 + 6H2O What happens when water is added to the blue solid? colour temperature A changes to โฆ
- Question 19
The red colour in some pottery glazes may be formed as a result of the reactions shown. CuCO3 CuO + CO2 CuO + SnO Cu + SnO2 heat These equations show that 1 is oxidised and 2 is reduced. Which โฆ
- Question 20
Some barium iodide is dissolved in water. Aqueous lead(II) nitrate is added to the solution until no more precipitate forms. This precipitate, X, is filtered off. Dilute sulfuric acid is added to the filtrate and another precipitate, Y, forms. What โฆ
- Question 21
The table shows some reactions of the halogens. Which reaction is the most likely to be explosive? reaction chlorine gas bromine gas iodine gas reaction with hydrogen โฆ
- Question 22
Which compound is likely to be coloured? A KMnO4 B KNO3 C K2CO3 D K2SO4
- Question 23
A salt is made by adding an excess of an insoluble metal oxide to an acid. How can the excess metal oxide be removed? A chromatography B crystallisation C distillation D filtration
- Question 24
The oxide of element X was added to an acid. It reacted to form a salt and water. acid oxide of element X What is the pH of the acid before the reaction and what type of element is X? โฆ
- Question 25
The diagram shows the positions of elements โฆ
- Question 26
The table compares the properties of Group I elements with those of transition elements. Which entry in the table is correct? property Group I elements transition elements A catalytic activity low high B density high low C electrical conductivity low โฆ
- Question 27
Which pollutant, found in car exhaust fumes, does not come from the fuel? A carbon monoxide B hydrocarbons C lead compounds D nitrogen oxides
- Question 28
The diagram shows the materials used in the production of steel from impure iron. impure iron steel an oxide of element X oxygen What could element X be? A calcium B carbon C nitrogen D sulfur
- Question 29
Which property do all metals have? A Their boiling points are low. B Their densities are low. C They conduct electricity. D They react with water.
- Question 30
Which diagram could represent the structure of an alloy? โฆ
- Question 31
Some metals react readily with dilute hydrochloric acid. Some metals can be extracted by heating their oxides with carbon. For which metal are both statements correct? A calcium B copper C iron D magnesium
- Question 32
Which diagram shows a common use of stainless steel? โฆ
- Question 33
Why is chlorination used in water treatment? A to kill bacteria in the water B to make the water neutral C to make the water taste better D to remove any salt in the water
- Question 34
A test-tube containing damp iron wool is inverted in water. After three days, the water level inside the test-tube has risen. water damp iron wool Which statement explains this rise? A Iron oxide has been formed. B Iron wool has โฆ
- Question 35
A bag of fertiliser โWatch it growโ contains ammonium sulfate and potassium sulfate. Which of the three elements N, P and K does โWatch it growโ contain? โฆ
- Question 36
Which information about carbon dioxide and methane is correct? carbon dioxide methane A formed when vegetation decomposes โฆ
- Question 37
Ethene reacts with Y to produce ethanol. ethene โฆ
- Question 38
In an oil refinery, crude oil is separated into useful fractions. The diagram shows some of these fractions. pre-heat 400 ยฐC refinery gases gasolene X diesel Y Z What are fractions X, Y and โฆ
- Question 39
The diagram shows the structure of a compound. โฆ
- Question 40
Which structures show compounds that are members of the same homologous series? โฆ
Other Chemistry papers from Oct/Nov 2010
- 0620/11 Multiple choice (Core)
- 0620/12 Multiple choice (Core)
- 0620/21 Theory (Core)
- 0620/22 Theory (Core)
- 0620/23 Theory (Core)
- 0620/31 Theory (Extended)
- 0620/32 Theory (Extended)
- 0620/33 Theory (Extended)
- 0620/61 Alternative to Practical
- 0620/62 Alternative to Practical
- 0620/63 Alternative to Practical