Observe the following figures A and B.State the change in substances t – InterviewSolution

1.	Observe the following figures A and B.State the change in substances taken is test-tubes A and B. Mention the type of reaction in each case.
Answer» ln A. green colour of solution fades away and brown-red deposition on iron nail occurs displacement reaction. In B, a reddish brown substance is left in the test tube- decomposition reaction

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