Chemistry
With reference to the physical properties of metals and non-metals, state the following exceptions.
(a) a metal which is liquid at room temperature
(b) a non-metal which sublimes and is lustrous
(c) a non-metal which has high tensile strength
(d) a non-metal which conducts electricity
(e) a metal which floats on water
Related Questions
Give the common name and chemical name of an ore of –
(a) zinc
(b) Aluminium
(c) iron
Distinguish between the physical properties of metals and non-metals with reference to —
(a) lustre
(b) malleability
(c) ductility
(d) tensile strength
(e) sonority
(f) conduction of heat and electricity
(g) melting and boiling point
(h) density
With reference to the following metals state their – use in daily life
Metals:
(a) copper
(b) iron
(c) aluminium
(d) magnesium
(e) zinc
(f) lead
(g) silver
Describe a simple experiment to prove that – a copper wire conducts electricity, but a piece of coal does not.