International General Certificate of Secondary Education UNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

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1 Intrnational Gnral rtificat of Scondary Education UNIVESITY OF MIGE LOL EXMINTIONS SYNITE EMISTY 0620/1 PPE 1 Multil hoic Monday 1 NOVEME 1999 ftrnoon 45 minuts dditional matrials: Mathmatical tabls Multil hoic answr sht Soft clan rasr Soft ncil (ty or is rcommndd) TIME 45 minuts INSTUTIONS TO NITES o not on this booklt until you ar told to do so. Writ your nam, ntr numbr and candidat numbr on th answr sht in th sacs rovidd unlss this has alrady bn don for you. Thr ar forty qustions in this ar. nswr all qustions. For ach qustion, thr ar four ossibl answrs,,, and. hoos th on you considr corrct and rcord your choic in soft ncil on th sarat answr sht. ad vry carfully th instructions on th answr sht. INFOMTION FO NITES Each corrct answr will scor on mark. mark will not b dductd for a wrong answr. ny rough working should b don in this booklt. coy of th Priodic Tabl is rintd on ag 16. This qustion ar consists of 15 rintd ags and 1 blank ag. S (S) QK93698/4 ULES 1999 [Turn ovr

2 1 Which diagram shows th rocss of diffusion? ky diffrnt atoms 2 sald vssl contains a liquid and its vaour, as shown. vaour liquid What hans whn a molcul in th vaour ntrs into th liquid? th molcul th molcul stos moving bcoms smallr ky = ys = no

3 3 Th diagram shows how frsh coff can b mad. coff grains filtr ar dark brown solution of coff is obtaind and coff grains ar lft bhind. What is th saration mthod usd? boiling distilling vaoration filtration 4 What could b th mlting oint and boiling oint of watr containing a dissolvd imurity? mlting oint / boiling oint / [Turn ovr

4 5 Two isotos of hydrogn ar 1 1 and 2 1. Which diagram shows th arrangmnt of articls in th two isotos? n n ky n = an lctron = a roton = a nutron = nuclus n n 6 What is th lctronic structur of an atom with a roton (atomic) numbr 5 and a nuclon (mass) numbr 11? 2, 3 3, 2 2, 8, 1 1, 8, 2 7 What is th formula of a calcium ion? a 2+ a + a a 2 8 Th tabl shows th formula and ty of bonding in two comounds. formula sl 6 6 ty of bonding ionic covalnt Which comound is likly to hav th highr mlting oint (m..) and b mor solubl in watr? highr m.. mor solubl in watr sl sl 6 6 sl sl

5 9 ydrogn and chlorin ract as shown. What is th quation for this raction? 1 molcul + 1 molcul 2 molculs of hydrogn of chlorin of hydrogn chlorid + l l 2 + 2l 2l 2 + l 2 2l 2 + l 2 2 l 2 10 molcul of comound X contains th following. 2 atoms of carbon, 2 atoms of oxygn, O 4 atoms of hydrogn, What is th formula of X? ( 2 ) 2 O ( 2 ) 2 O 2 2 (O) O 11 Th diagram shows a balancd chmical quation. In th diagram, O and ar diffrnt atoms Z What is Z? 12 Which substanc is manufacturd by lctrolysis? aluminium cor(ii) sulhat sodium chlorid stl [Turn ovr

6 13 In which st of aaratus is th mtal ky lctrolatd with cor? ky = ic of cor = mtal ky aquous cor(ii) sulhat aquous cor(ii) sulhat aquous cor(ii) sulhat aquous cor(ii) sulhat 14 Which diagram shows a rocss in which an ndothrmic chang is taking lac? candl ic rockt sodium watr watr 15 ic of zinc is lacd in dilut sulhuric acid. Which chang slows down th rat of raction? adding a catalyst adding watr hating th acid owdring th zinc

7 16 Th grah shows how th total volum of a gas givn off from a raction changs with tim. In which tim intrval is last gas givn off? volum of gas 0 tim 17 Th diagram shows crystals of cor(ii) sulhat, uso O, bing hatd. crystals hat stam Th crystals chang colour. Which two trms dscrib this chang? ndothrmic and dhydration ndothrmic and hydration xothrmic and dhydration xothrmic and hydration 18 tlvision nws rogramm shows an xlosion at a flour mill. What could hav incrasd th risk of such an xlosion? adding salt to th flour mloying mor staff in th mill grinding th flour mor finly oning th windows [Turn ovr

8 19 mmonium chlorid is hatd with substanc X. Th gas givn off turns dam rd litmus ar blu. Which ty of substanc is X? acid bas mtal salt 20 Which of th following is aquous cor(ii) sulhat? colour add acidifid barium chlorid blu no rciitat blu whit rciitat colourlss no rciitat colourlss whit rciitat 21 Potassium salts ar solubl. Which mthods in th tabl ar suitabl for making aquous otassium chlorid? add dilut hydrochloric acid to aquous aquous otassium otassium otassium mtal hydroxid carbonat ky = ys = no 22 Th tabl givs information about four lmnts. Which lmnt is a transition mtal? colour lctrical conductivity colour of lmnt of lmnt of oxid black high colourlss colourlss low whit gry high rd yllow low colourlss

9 23 Eight lmnts ar numbrd in th diagram of a Priodic Tabl Which numbrs rrsnt two rlativly soft mtals in th sam grou? 1 and 2 3 and 4 5 and 6 7 and 8 24 Elmnt X is in Grou VII of th Priodic Tabl. It racts with aquous otassium bromid as shown. Which facts about X ar corrct? X 2 + 2Kr 2KX + r 2 rlativ atomic mass ractivity gratr than that of bromin lss ractiv than bromin gratr than that of bromin mor ractiv than bromin lss than that of bromin lss ractiv than bromin lss than that of bromin mor ractiv than bromin 25 Which diagram rrsnts th arrangmnt of atoms in an alloy? [Turn ovr

10 26 Th rsults of adding samls of diffrnt mtals to th liquids in th tst-tubs ar shown. bubbls of gas watr bubbls of gas dilut hydrochloric acid mtal X mtal Y What could mtals X and Y b? X Y calcium cor calcium magnsium iron cor iron magnsium 27 Th diagram shows a furnac usd to mak stl. gas X wast gass moltn iron containing imuritis What is gas X? chlorin hydrogn mthan oxygn 28 Which of th following is last likly to contain aluminium? arolan bicycl hammr saucan

11 29 Th flow chart shows stags in th tratmnt of rivr watr to roduc drinking watr. rivr watr sttling tank stag X stag Y drinking watr What occurs at stag X and at Y? X Y crystallisation distillation distillation chlorination filtration chlorination filtration distillation 30 Th i chart shows th comosition of air. othr gass X nitrogn What gas is X? argon carbon dioxid oxygn watr vaour 31 limston building is hatd by an infficint and badly sald coal-burning hatr. Th walls nar th hatr ar gradually worn away. Which gas, scaing from th hatr, is th most likly caus of this? O 2 O N 2 SO 2 32 Which tratmnt is usd to rvnt th rusting of an iron girdr of a bridg? coat it with gras lctrolat it galvanis it aint it [Turn ovr

12 33 gas is scaing from a i in a chmical lant. chmist tsts this gas and finds that it is alkalin. What is this gas? ammonia chlorin hydrogn sulhur dioxid 34 Two rocsss ar listd. 1 Lim is mad by hating limston. 2 Slakd lim is usd to trat acidic soils. In which of ths rocsss is carbon dioxid roducd? 1 2 ky = ys = no 35 Th diagram shows som uss of limston. tratd soil lim lim X limston iron and stl industry trating gass at owr stations What is us X? xtracting aluminium making cmnt making thanol strilising watr

13 36 Ethn bhavs as a monomr in addition olymrisation, as shown Which trms dscrib th roduct of this olymrisation? a saturatd comound calld oly(than) a saturatd comound calld oly(thn) an unsaturatd comound calld oly(than) an unsaturatd comound calld oly(thn) 37 Incrasing th numbr of atoms in on molcul of a hydrocarbon incrass th amount of nrgy rlasd whn it burns. What is th corrct ordr for than, thn and mthan? lss nrgy rlasd mor nrgy rlasd than thn mthan than mthan thn mthan than thn mthan thn than 38 Mthanol and thanol ar both liquids. Thy both burn with a blu flam to roduc carbon dioxid and watr. oth contain th functional grou O. Which of th undrlind words shows that mthanol and thanol ar mmbrs of th sam homologous sris? both liquids both burn both contain th functional grou O roduc carbon dioxid and watr [Turn ovr

14 39 Th tabl shows how th structur of thn, of its olymr and of styrn may b writtn. alkn olymr thn? styrn Styrn olymriss in th sam way as thn. Which structur for th olymr of styrn would comlt th tabl? Which aaratus is most suitabl for roducing thanol by frmntation? cotton wool bung stam ic sugar solution and yast hat hat sugar solution and yast

15 LNK PGE

16 T SEET Th Priodic Tabl of th Elmnts Grou I II III IV V VI VII ydrogn 2 4 lium 3 7 Li Lithium 4 9 ryllium 5 11 oron 6 12 arbon 7 14 N Nitrogn 8 16 O Oxygn 9 19 F Fluorin N Non Na Sodium Mg Magnsium l luminium Si Silicon P Phoshorus S Sulhur l hlorin r rgon K Potassium a alcium Sc Scandium Ti Titanium V Vanadium r hromium Mn Mangans F Iron o obalt Ni Nickl u or Zn Zinc Ga Gallium G Grmanium s rsnic S Slnium r romin Kr Kryton b ubidium Sr Strontium Y Yttrium Zr Zirconium Nb Niobium 96 Mo Molybdnum Tc Tchntium u uthnium h hodium Pd Palladium g Silvr d admium In Indium Sn Tin Sb ntimony T Tllurium I Iodin X Xnon s asium Fr Francium a arium 226 a adium 139 La Lanthanum 57 * 227 c ctinium f afnium Ta Tantalum W Tungstn hnium Os Osmium Ir Iridium Pt Platinum u Gold g Mrcury Tl Thallium Pb Lad i ismuth 84 Po Polonium 85 t statin 86 n adon *58-71 Lanthanoid sris ctinoid sris Ky b a X a = rlativ atomic mass X = atomic symbol b = roton (atomic) numbr rium 232 Th Thorium 141 Pr Prasodymium 59 Pa Protactinium Nd Nodymium 238 U Uranium Pm Promthium N Ntunium Sm Samarium Pu Plutonium Eu Euroium m mricium Gd Gadolinium m urium Tb Trbium k rklium y ysrosium f alifornium o olmium Es Einstinium Er Erbium Fm Frmium Tm Thulium Md Mndlvium Yb Yttrbium No Noblium Lu Luttium Lr Lawrncium 103 Th volum of on mol of any gas is 24 dm 3 at room tmratur and rssur (r.t..).

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CHEMISTRY

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CHEMISTRY UNIVERSITY OF MRIGE INTERNTIONL EXMINTIONS Intrnational Gnral rtificat of Scondary Education EMISTRY 0620/01 Papr 1 Multipl hoic May/Jun 2004 dditional Matrials: Multipl hoic nswr Sht Soft clan rasr Soft