1. Which of the following is not a property of a metal?
(a) Ductility (b Non-conductivity (c) malleability (d) sonorous
2. Which of the following metals are soft?
(a) Calcium and Iron (b) Potassium and sodium (c) Iron and potassium
(d) Sodium and Iron.
3. Which of the following is not a good conductor of electricity?
(a) Iron (b) Copper (c) Carbon (d) Aluminium
4. The most malleable metal among the following is
(a) Gold (b) Sodium (c) potassium (d) Magnesium
5. The non-metal which conducts electricity is
(a) Diamond (b) Graphite (c) Sulphur (d) Bromine