Chemistry Metals and Non-metals CBSE Board 2026 Medium
(i) Write the balanced chemical equations when: (I) A mixture of Cu₂O and Cu₂S is heated. (II) ZnS is heated…
- (i)Write the balanced chemical equations when : (I) A mixture of and is heated. (II) is heated in the presence of oxygen.
- (ii)Give reasons for the following : (I) The wires carrying current in homes have a coating of PVC. (II) To make hot water tanks, copper is used and not steel.
- (iii)Show the formation of ionic compound with electron dot structure. [Atomic number : , ]
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