A student puts some iron nails in a beaker containing copper sulphate solution and writes the following statements in her notebook after some time: (A) The colour of solution changes from blue to pale green. (B) A brown coating gets formed on the iron nails. (C) Iron displaces copper from its solution. (D) Copper is less reactive than iron. Classify the above statements as observations or inferences.

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Chemistry · Chemical Reactions

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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(A) and (B) are observations; (C) and (D) are inferences

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Answer 1

(A) is an observation; (B), (C), and (D) are inferences

Answer 2

All statements are observations

Answer 3

(A), (B), and (C) are observations; (D) is an inference

Answer 4

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