(क) (i) (क) (i) (I) 10 1 ( (c) (ii) (1) Why highly reactive metals cannot be obtained from their oxides by using carbon as a reducing agent ? (II) Why solder, an alloy of lead and tin, is used for welding electrical wires together? 1 1 3 (I) Covalent compounds are poor conductor of electricity.
Question
(क) (i) (क) (i) (I) 10 1 ( (c) (ii) (1) Why highly reactive metals cannot be obtained from their oxides by using carbon as a reducing agent ? (II) Why solder, an alloy of lead and tin, is used for welding electrical wires together? 1 1 3 (I) Covalent compounds are poor conductor of electricity.