Materials: Metals and non-metals Worksheet-9
True / False:
Explanation: Copper is less reactive than zinc hence it cannot displace zinc from zinc sulphate solution.
Explanation: Magnesium reacts with boiling water or steam.
Explanation: Mercury exists in liquid state at room temperature.
Explanation: The melting point of gallium is so low that it melts in the palm of hand. (Ga M.p. 300C)