Question

which of the following characteristics of metal is used for fixing a handle in an iron rod​

Answer 1

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.