Question

Reddish brown shiny copper powder is strongly roasted and it turns black

substance. When hydrogen gas is passed over the black substance formed on

heating, the reddish copper shiny metal powder reappears”.

From the observation

Justify the observation and explain phenomenon involved in the reaction with

necessary chemical equation
class 10​

Answer 1

Answer:

Justify the observation and explain phenomenon involved in the reaction with

Explanation:

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