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Grade 12 PHYSICAL SCIENCES Control Test Solution QUESTION 1 1.1 C  (2) 1.2 D  (2) [4] QUESTION 2 2.1 Reduction  (1) 2.2 Polymer  (1) 2.3 Alkanes or saturated  (1) [3]
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  Grade 12PHYSICAL SCIENCESControl Test SolutionQUESTION 1 1.1C  (2)1.2D  (2) [4QUESTION 2 2.1Reduction  (1)2.2Polymer  (1)2.3Alkanes or saturated  (1) [! 1  QUESTION ! 3.1Cracking  (1)3.2C 5 H 12    (2)3.3HH  (2)||C  C||HH3.!Polymerisation  (1)3.5Polyt ene  (1)3.#Polyt ene is used to make $lastics.  (1) [ QUESTION 4 !.1%n   %n 2& &2e  '   (2)!.2%n   %n 2& &2e  '   (2)!.3Cu !    (2) [# 2  QUESTION $ 5.1* e term unsaturated re+ers to com$ounds t at a,e dou-le or tri$le car-on' car-on -onds.  (2)5.2C n H 2 n    (2)5.3HH  ||C  C||HHt ene  (3)5.! e added -romine solution to eac o+ cyclo e/ane and cyclo e/ene. A slo0 reaction takes $lace 0it cyclo e/ane and cyclo e/ene decolourises more uickly t an cyclo e/ane.  (3) [1%QUESTION # #.1/ot ermic  (1)#.2   H  4  (2)#.3(#) [& 3  .16et yl et onoateHH PP (2)||||H7C77C7C7H||HH.2t anoic acid P 6et anol P (2).3ame molecular +ormula P Di++erent structural +ormulae P (2).!Pro$anoic acid P HH PP (3)||||H7C7C7C7H||HH.5CH 3 CH 2 CH PP (2) [11[TOTAL' $% (ar)s !
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