CSEC Chemistry · January 2019 · Paper 1

54 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. Q11 mark · multiple choiceWhich of the following processes demonstrates that matter is made up of minute particles?
2. Q21 mark · multiple choiceIn the notation ^{35}_{17}\text{Cl}, the subscript 17 represents the
3. Q31 mark · multiple choiceFrom the table below, which of the substances represented by the options, A, B, C and D, is MOST likely sodium chloride? \begin{tabular}{|c|c|c|c|} \hline \multirow{2}{*}{Substance} &…
4. Q41 mark · multiple choiceThe salt whose solubility changes to the GREATEST extent in the temperature range 0\ ^\circ\text{C} to 60\ ^\circ\text{C} is
5. Q51 mark · multiple choiceWhich of the following substances supplies protons as the only positive ions in aqueous solutions?
6. Q61 mark · multiple choiceCrystals of sodium chloride are BEST described as
7. Q71 mark · multiple choiceThe ionic equation for the reaction between an acid and a carbonate is represented by
8. Q81 mark · multiple choiceWhen 100\text{ cm}^3 of 2\text{ mol dm}^{-3} hydrochloric acid (in excess) are added to 5.0\text{ g} of granulated zinc, hydrogen gas is evolved at a certain rate. If 5.0\text{ g} of powdered zinc were used…
9. Q91 mark · multiple choiceAn element, X, has an electronic configuration 2, 8, 1. At which of the following positions is the element in the periodic table?
10. Q101 mark · multiple choiceWhich of the properties above refer to a neutron?
11. Q111 mark · multiple choiceWhich of the properties above refer to a proton?
12. Q121 mark · multiple choiceTwo solutions are to be mixed in order to demonstrate an endothermic change. Which of the following techniques would be MOST appropriate?
13. Q131 mark · multiple choiceSulfur and oxygen are in the same group of the periodic table because
14. Q141 mark · multiple choiceHow many moles of ethanoic acid are required to produce 0.5\text{ mol} of the ester?
15. Q151 mark · multiple choiceWhich of the following compounds is covalent?
16. Q191 mark · multiple choiceWhich of the following gases shows NO reaction with moist litmus paper?
17. Q221 mark · multiple choiceWhat mass of oxygen atoms contains the same number of moles as 112\text{ g} of sulfur atoms? [RAM: \text{O} = 16; \text{S} = 32]
18. Q231 mark · multiple choiceThe bond between the two carbon atoms is
19. Q241 mark · multiple choiceWhich of the following halogens is a liquid at room temperature?
20. Q251 mark · multiple choiceA catalyst increases the rate of a reaction because it
21. Q261 mark · multiple choiceWhich of the following reactions occurs between propene and bromine?
22. Q271 mark · multiple choice\text{FeCl}_2 and \text{FeCl}_3 are two chlorides of iron. Which of the following statements about these two chlorides of iron are true? I. The percentage of iron by mass in the two chlorides is different. II. The…
23. Q281 mark · multiple choiceWhen solid lead nitrate is heated, it decomposes giving off nitrogen(IV) oxide and oxygen. The BALANCED equation for this reaction is
24. Q291 mark · multiple choiceWhen a metal atom becomes an ion, it
25. Q301 mark · multiple choiceWhich of the points on the graph above represents the neutralization point of the reaction?
26. Q311 mark · multiple choiceIf substances containing one mole of solute per \text{dm}^3 are investigated, which substance should cause the bulb to glow BRIGHTEST?
27. Q321 mark · multiple choiceWhich of the diagrams illustrates bonding in chlorine?
28. Q331 mark · multiple choiceWhich of the diagrams illustrates bonding in oxygen?
29. Q351 mark · multiple choiceThe gas given off is
30. Q361 mark · multiple choiceWhich reaction involves the boiling of a fat or oil with aqueous sodium hydroxide (caustic soda)?
31. Q371 mark · multiple choiceA current of 5 amperes was passed for 193 seconds through a solution of copper(II) sulfate using copper electrodes. [RAM: \text{Cu} = 65; Faraday's constant, F = 96\,500\text{ C mol}^{-1}] The mass of copper that…
32. Q381 mark · multiple choiceThe compound ethene is described as being unsaturated. This means that the
33. Q391 mark · multiple choiceWhich of the following metals will react MOST vigorously with dilute acid?
34. Q401 mark · multiple choiceWhich of the following methods is used for the extraction of aluminium?
35. Q411 mark · multiple choiceWhich of the following metals is an important constituent of chlorophyll?
36. Q421 mark · multiple choiceWhich of the following options lists ALL the raw materials used in the extraction of iron?
37. Q431 mark · multiple choiceWhich of the following compounds may be used to counteract the effects of acid rain on the soil?
38. Q441 mark · multiple choiceWhich of the following MOST likely identifies P and Q?
39. Q451 mark · multiple choiceWhat is the correct structural formula for X?
40. Q461 mark · multiple choiceWhich of the compounds above has a fruity odour?
41. Q471 mark · multiple choiceWhich of the compounds above reacts with sodium carbonate to produce a gas which turns lime water milky?
42. Q481 mark · multiple choiceWhich of the following is produced when carbon monoxide reacts with iron(III) oxide?
43. Q491 mark · multiple choiceHexane is an alkane with six carbon atoms per molecule. Which of the following is the formula for hexane?
44. Q501 mark · multiple choiceCompounds I and II are known as the
45. Q511 mark · multiple choiceSteel is often used in place of iron because it
46. Q521 mark · multiple choiceWhich of the following statements is/are true of alkenes? I. They react with \text{KMnO}_4/\text{H}^+. II. They undergo addition reactions. III. They undergo substitution reactions.
47. Q531 mark · multiple choiceWhich of the following tests can be used to distinguish between an alkane and an alkene? I. Adding bromine solution II. Burning III. Conductivity
48. Q541 mark · multiple choiceWhat type of reaction occurs when zinc metal is added to copper sulfate solution?
49. Q551 mark · multiple choiceDuring the manufacture of ethanol by fermentation, the gas evolved
50. Q561 mark · multiple choiceWhich of the following is a natural source of hydrocarbons?
51. Q571 mark · multiple choiceALL members of a homologous series have similar
52. Q581 mark · multiple choiceWhich of the following is the reason for adding cryolite to pure alumina in the extraction of aluminium by electrolysis?
53. Q591 mark · multiple choiceWhich of the following substances is a product of a halogenation reaction with methane?
54. Q601 mark · multiple choiceWhich of the following compounds is NOT formed from condensation polymerization?