ForeachquestionthereisonlyONEcorrectanswer.
Markwithacircletheletter(A,B,C,DorE)oftheonlycorrectanswerontheAnswerSheet.
1.Thereactionbetweenbromineandbenzeneisanexampleof
(A)addition(B)oxidation(C)substitution(D)elimination(E)reduction
2.Whichofthefollowinggasesunderidenticalconditions(temperature,pressure)containsthe
largestnumberofmolecules?
(A)10gnitrogen(B)10gchlorine(C)10gsulphurtrioxide
(D)10ghelium(E)10gcarbondioxide
3.Inwhichofthefollowingsubstancesistherenohydrogenbondformationbetweenthe
molecules?
(A)ethanol(B)acetone(C)aceticacid
(D)acetamide(E)liquidammonia
4.Whichsubstanceisthereducingagentinthefollowingreaction:
Cu+4HNO=Cu(NO)+2NO+2HO
33222
(A)Cu(B)HNO(C)Cu(NO)
332
(D)NO(E)HO
22
5.Howmanybismuthionsarecontainedin1molbismuth-sulphidewhoseformulaisBiS?
23
(A)2pieces(B)1piece(C)2x96500pieces
.24.23
(D)1.210pieces(E)1810pieces
6.Whichofthefollowingmoleculesarepolar?
(A)SO2(B)CO2(C)SO3
(D)CH4(E)O2
7.Whichof