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Grade 12th pass7 grade science

Question 2:State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook. (a) Cutting a log of wood into pieces is a chemical change. (True/False) (b) Formation of manure from leaves is a physical change. (True/ False) (c) Iron pipes coated with zinc do not get rusted easily. (True/False) (d) Iron and rust are the same substances. (True/False) (e) Condensation of steam is not a chemical change. (True/False)

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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1 Answer

Profile image of Pawan Prajapati
5 Years ago
Answer:(a) False Cutting a log of wood into pieces is a physical change. (b) False Formation of manure from leaves is a chemical change. (c) True (d) False Iron and rust are different substances. Rust is iron oxide Fe2O3 (e) True