Grade 12 Physical Science November 2011 Paper 2

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Physical Sciences P2/Fisiese Wetenskappe V2 4 DBE/November 2011NSC/NSS – Memorandum4.3 Saturated / Versadig No carbon-carbon double (or triple) bonds. Geen koolstof-koolstofdubbelbindings (of trippelbindings). OR / OFSaturated / Versadig Only single bonds between C artoms. / Slegs enkelbindings tussen C-atome.OR / OFSaturated / Versadig No multiple bonds. / Geen meervoudige bindings. (3)4.44.4.1 A (1)4.4.2Pentane / Pentaan (2)4.5.1HHCHHHHC C CHHHHCHH4.5.2 • Most branching / Molecules most compact or spherical / Smallest surfacearea (over which intermolecular forces act.).• Least / Weakest intermolecular forces. • Least energy needed to overcome intermolecular forces. (2)• Die meeste vertak. / Molekule mees kompak of sferies / Kleinsteoppervlakte (waaroor intermolekulêre kragte werk.) • Minste / Swakste intermolekulêre kragte. • Die minste energie benodig om intermolekulêre kragte te oorkom. (3)4.6 C Lowest boiling point / Laagste kookpunt (2)[17]Copyright reserved/Kopiereg voorbehouPlease turn over/Blaai om asseblief
Physical Sciences P2/Fisiese Wetenskappe V2 5 DBE/November 2011NSC/NSS – MemorandumQUESTION 5/VRAAG 55.15.1.1 Addition / hydration Addisie / hidratering / hidrasie (1)5.1.2 Substitution / Hydrolysis Substitusie / Hidrolise (1)5.1.3 Elimination / Dehydrohalogenation / Dehydrobromination Eliminasie / Dehidrohalogenering / Dehidrobrominering (1)5.2HH H HC C CH H+HOH / H 2 OHH H HC C CH O HH H(4)5.3Propan-2-olAccept / Aanvaar:2-propanol (2)5.4 • Dilute base Verdunde basis • Mild heatMatige hitte (2)[11]QUESTION 6/VRAAG 66.1 (Gas) syringe / burette / measuring cylinder (Gas)spuit / buret / maatsilinder (1)6.2 24 cm 3 (2)6.3 Decreases The gradient of the graph decreases. Verminder Die gradiënt van die grafiek neem af. (2)6.4 Catalyst / Katalisator (1)6.5 H 2 O / water CuO / copper(II) oxide CuO / koper(II)oksied (2)Copyright reserved/Kopiereg voorbehouPlease turn over/Blaai om asseblief
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Grade 12 Physical Science November 2011 Paper 2

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