CHEM#24 ~ CXC/CSEC CHEMISTRY JUNE 2012 Paper 1 ~ Revision#3

CXC/CSEC Chemistry ~ June 2012 Paper 1 ~ Q&A Timestamps: 01 ~ particles in a gas ~ Q & A 0:10 02 ~ sublimate ~ Q & A 0:25 03 ~ properties of two atomic structures ~ Q & A 0:40 04 ~ mass number ~ Q & A 0:55 05 ~ positive ion ~ Q & A 1:10 06 ~ arrangement of the elements of the period table ~ Q & A 1:25 07 ~ mass of potassium chloride ~ Q & A 1:40 08 ~ 1 mole of atoms of an element ~ Q & A 1:55 09 ~ decomposition of lead nitrate ~ Q & A 2:10 10 ~ carbon present in a mole ~ Q & A 2:25 11 ~ intermolecular forces ~ Q & A 2:40 12 ~ given melting and boiling point name that kind of molecule ~ Q & A 2:55 13 ~ allotropy ~ Q & A 3:10 14 ~ graphite ~ Q & A 3:20 15 ~ sublimation ~ Q & A 3:35 16 ~ least solubility in water ~ Q & A 3:50 17 ~ silicon ~ Q & A 4:05 18 ~ barium and group II elements ~ Q & A 4:20 19 ~ halogens ~ Q & A 4:35 20 ~ neutralization ~ Q & A 4:50 21 ~ strong acids ~ Q & A 5:05 22 ~ green solution ~ Q & A 5:20 23 ~ observation on reaction with sodium hydroxide and ammonium salt ~ Q & A 5:35 24 ~ copper sulfate crystals ~ Q & A 5:50 25 ~ chlorine reacts with sodium ~ Q & A 6:05 26 ~ oxidation number ~ Q & A 6:20 27 ~ ionic equation ~ Q & A 6:33 28 ~ basicity of 2 ~ Q & A 6:45 29 ~ weakly ionized ~ Q & A 7:00 30 ~ weak electrolyte ~ Q & A 7:15 31 ~ ions migrating to cathode ~ Q & A 7:29 32 ~ aluminum pot ~ Q & A 7:44 33 ~ coulombs ~ Q & A 8:00 34 ~ powdered magnesium reaction curve ~ Q & A 8:14 35 ~ exothermic reaction ~ Q & A 8:28 36 ~ crystals of potassium nitrate ~ Q & A 8:42 37 ~ catalyst not used in preparation of ~ Q & A 8:56 38 ~ roasting ore ~ Q & A 9:10 39 ~ extracted by electrolysis ~ Q & A 9:25 40 ~ not react with dilute HCl ~ Q & A 9:39 41 ~ form a soluble hydroxide ~ Q & A 9:54 42 ~ displacement ~ Q & A 10:10 43 ~ no carbon dioxide on heating ~ Q & A 10:23 44 ~ color of solution or precipitate and copper sulfate ~ Q & A 10:37 45 ~ fermentation of sugars ~ Q & A 10:51 46 ~ digestion of polysaccharides ~ Q & A 11:05 47 ~ homologous series ~ Q & A 11:22 48 ~ alcohol ~ Q & A 11:35 49 ~ alkane ~ Q & A 11:50 50 ~ unsaturated compound ~ Q & A 12:05 51 ~ functional group and carboxylic acid ~ Q & A 12:20 52 ~ catalyst in an ethanoic acid reaction ~ Q & A 12:35 53 ~ reagent in ethanol reaction ~ Q & A 12:45 54 ~ produce amino acids when hydrolyzed ~ Q & A 13:03 55 ~ not a polymer ~ Q & A 13:18 56 ~ polyamide ~ Q & A 13:33 57 ~ polymers ~ Q & A 13:48 58 ~ deriving polymers ~ Q & A 14:03 59 ~ branched alkanes ~ Q & A 14:18 60 ~ decolorize potassium manganate (VII) ~ Q & A 14:33 May/June P1-Solutions CSEC Chemistry Playlist    • CXC/CSEC Chemistry June Paper1s   January P1-Solutions CSEC Chemistry Playlist    • CXC/CSEC Chemistry January Paper1s   All P1-Solutions CSEC Chemistry Playlist    • CXC/CSEC Chemistry Paper 1s   P2-Solutions:    • Solutions ~ CSEC Chemistry P2s