English

Quiz "Metals"

Metals

an alloy of zirconium containing small amounts of tin, chromium, and nickel. It is used in pressurized-water reactors

Metals

a white hard brittle corrosion-resistant alloy of copper (55–70 per cent) and tin with smaller amounts of other metals. It takes a high polish and is used for mirrors, lamp reflectors, ornamental ware, etc

Metals

an alloy of copper containing manganese (13–18 per cent) and nickel (1–4 per cent): it has a high electrical resistance that does not vary greatly with temperature and is used in resistors

Metals

an alloy of aluminium, nickel, cobalt, iron, and copper, used to make permanent magnets

Metals

an alloy of copper and zinc for joining two metal surfaces by melting the alloy so that it forms a thin layer between the surfaces
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