Chemistry-10th Chemical Reactions and Equations CBSE Board 2024 Medium
(a) Write a chemical equation for the reaction in which change in colour is observed when a metal is kept imm…
- (a)Write a chemical equation for the reaction in which change in colour is observed when a metal is kept immersed in a salt solution of another metal.
- (b)When hydrogen gas is passed over heated copper(II) oxide, copper and steam are formed. Write the balanced chemical equation with physical states for this reaction. State what kind of chemical reaction is this.
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