Question

what is physical change ​

Answer 1

Answer:

Physical changes are the changes affecting the form of a chemical substance, but not it's chemical composition. Physical changes are used to separate mixture into their components compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.

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Answer 2

$\fbox{\mathfrak{\large{Answer}}}$

Physical Change

• Change in temperature
• Change of state
• Thermal expansion

$\fbox{\mathfrak{\large{Change\: in\: temperature }}}$

The addition, or removal, of heat to, or form, a body brings about a change in it's temperature.

$\fbox{\mathfrak{\large{Change\: of\: state}}}$

Under appropriate conditions, addition, or removal, of heat to, or from, a body, can also bring about a change in it's state.

$\fbox{\mathfrak{\large{Thermal\: expansion}}}$

Most of solids, liquids and gases, are known to expand on heating. This phenomenon is called Thermal expansion.