Chemistry-10th Chemical Reactions and Equations CBSE Board 2023 Medium
A reddish brown metal used in electrical wires when powdered and heated strongly turns black. When hydrogen g…
A reddish brown metal used in electrical wires when powdered and heated strongly turns black. When hydrogen gas is passed over this black substance, it regains its original colour. Based on this information answer the following questions –
- (a)Name the metal and the black substance formed.
- (b)Write balanced chemical equations for the two reactions involved in the above information.
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