1) which of the following is an ore of lead? a) stibnite b) galena c) bauxite d) kinzite 2) Which metallic element is the best at conducting electricity? a) copper b) platinum c) silver d) gold 3) Identify this element, from the clues; a. I am a transition metal b. I am used in catalytic converters as a catalyst c. Sir Paul McCartney received a disc coated with this metal in honour of his recording sales in 1979 a) rhodium b) platinum c) gold d) silver 4) What is the name of this piece of equipment? a) condenser b) fractioning column c) burette d) volumetric flask 5) Which acid is present in ant stings? a) acetic b) formic c) tannic d) oleum 6) In 2000, Alan McDiarmund from Sidney Sussex College, Cambridge was awarded a Nobel Prize for his work on a) graphene b) quasi crystals c) conducting polymers d) antibiotics 7) Limonene is a naurally occuring orange or lemon scented molecule. How many atoms are in this molecule? a) 21 b) 23 c) 24 d) 26 8) What is the name of this element? a) namtiony b) tinamony c) antimony d) montinay 9) What colour is potassium manganate VII? a) blue b) purple c) red d) green 10) This is the structure of which polymer? a) PVC b) nylon c) PTFE d) polythene 11) Vitamin C has the chemical formula C6H8O6, but what is its common name? a) acetic acid b) ascorbic acid c) tannic acid d) ethanoic acid 12) Which metal gives this characteristic flame colour? a) potassium b) barium c) calcium d) copper 13) Promethium is an element with the symbol Pm, but which Sci-Fi series has a space ship named after this element? a) Dr Who b) Star Trek c) Stargate d) The x files 14) What is this organic molecule used for? a) explosive b) medicine c) food d) dye 15) Which of these halide ions has important uses in the stomach, cells and blood of humans? a) I b) Br c) Cl d) F

top of the bench 2012

by Anonymous
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