Chemistry, asked by pranaytiwari0425, 11 hours ago

give a fast example for chemical change in colour

Answers

Answered by ashokbsita

1

Answer:

Evidence of a chemical change

Change of color (for example, silver to reddish-brown when iron rusts).

Answered by mamathanmamatha335

0

Answer:

H2o+ Co2------ CuCo3

oxygen + copper ----- copper carbonate

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