Substances. Find the correct definition for
each substance.
a) Copper;
b) Bitumen; c) Hydrogen; d) Mercury;
e) Nitrogen; f) Sulphur.
1.
Any of various viscous or solid impure mixtures of hydrocarbons that
occur naturally in asphalt, tar, mineral waxes (минеральный воск) etc.: used as a
road surfacing and roofing (кровельный) material. It is a black sticky substance. CopperBitumen HydrogenMercuryNitrogenSulphur
2.
Flammable colourless gas that is the lightest and most abundant
(изобилующий) element in the universe. It occurs mainly in water and in most
organic compounds and is used in the production of ammonia ([ə'məunɪə]
аммиак) and other chemicals, in the hydrogenation of fats and oils, and in welding
(сварка). CopperBitumen HydrogenMercuryNitrogenSulphur
3.
Reddish brown metallic element occurring as the free metal used as an
electrical and thermal conductor (проводник) and to make electrical wires
(провод). Atomic no.: 29; atomic wt.: 63.546; relative density: 8.96; boiling
pt.: 2563 °C. CopperBitumen HydrogenMercuryNitrogenSulphur
4.
The chemical element of atomic number 7, a colourless, odourless
unreactive gas that forms about 78 per cent of the earth’s atmosphere. CopperBitumen HydrogenMercuryNitrogenSulphur
5.
The chemical element of atomic number 80, a heavy silvery-white metal
which is liquid at atmospheric temperatures. CopperBitumen HydrogenMercuryNitrogenSulphur
6.
Yellow nonmetallic element, occurring free in volcanic regions. It is
used in the production of sulphuric acid, atomic no.: 16; atomic wt.: 32.066;
relative density: 2.07; boiling pt.: 444.674 °C. CopperBitumen HydrogenMercuryNitrogenSulphur