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 is an important chemical in the body, 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- 16) When was uranium discovered? a) 1759 b) 1889 c) 1929 d) 1789 17) What is the name of the quarry in Sweden which is famous for the of discovery 4 new metallic elements in recent years? a) Yttersy b) Ytterby c) Ytterny d) Ytterdy 18) Which is the only letter NOT to appear on the modern Periodic Table? a) X b) K c) J d) Q 19) Oxygen is a colourless gas at room temperature, but what is the colour of liquid and solid oxygen? a) blue b) pink c) lilac d) green 20) Hot peppers get the heat from a molecule called? a) niacin b) capsaicin c) vitacin d) sericin 21) Which transition metal makes up 5.6% of the Earths crust? a) copper b) zinc c) iron d) tin 22) Some musical instruments are made of the alloy brass, but which metals are mixed to make this composite? a) copper and zinc b) copper and silver c) copper and gold d) copper and aluminium 23) Which is the most common method of separating small amounts of substances? a) distillation b) fermentation c) crystallisation d) chromatography 24) Which homologous series of organic compounds has the general formula Cn H2n+2? a) alkane b) alkene c) alkyne d) alkone 25) Corundum is the mineral name for which precious stones? a) emarald and ruby b) diamond and emerald c) ruby and sapphire d) diamond and ruby 26) Luminol is used in Forensic Science to identify traces of a) saliva b) urine c) sweat d) blood 27) Penguinone is an organic molecule with which of the following functional groups? a) aldehyde b) ketone c) alcohol d) carboxylic acid 28) Ammonia is a pungent smelling alkaline gas which is used in which common product? a) bleach b) smelling salts c) air freshners d) perfume 29) What is the answer to this chemical calculation? The atomic number of beryllium x the number of chlorine atoms in aluminium chloride + the numer of oxygen atoms in sulfuric acid a) 12 b) 14 c) 16 d) 18 30) Which element is the densist naturally occurring element with a density twice that of lead and is used in expensive fountain pen knibs? a) osmium b) rhodium c) vanadium d) chromium

top of the bench 2012

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