Which of the following is a physical change? a) Hammering of a red hot iron rod to make a flat sheet. b) Formation of ice by cooling of water. c) Rising of water vapors from sea to make clouds. d) Heating of charcoal in the air to high temperature till it begins to flow.
Which of the following is a physical change? a) Hammering of a red hot iron rod to make a flat sheet. b) Formation of ice by cooling of water. c) Rising of water vapors from sea to make clouds. d) Heating of charcoal in the air to high temperature till it begins to flow.
Harshit Singh , 4 Years ago
Grade 12th pass
