which of the following characteristics of metal is used for fixing a handle in an iron rod
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Answer:
Hammering of a red hot iron rod to make a flat sheet.
b) Formation of ice by cooling of water.
c) Rising up of water vapors from sea to make clouds.
Chemical changes:
d) Heating of charcoal in air to high temperature till it begins to flow.
Note: During physical change there is no change in the nature of substance. However during chemical change a chemical reaction converts one substance into another with energy being either released or given out.
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