Question

define polar and non polar substance

Answer 1

$\huge \underline \mathfrak {Solution:-}$

The substances in the molecule of those, the centre of mass of positive central core and negative charge coincide are known as non-Polar substance. These substances donot posses any permanent dipole moment.

The molecule in those the central of mass of positive charge and negative charge are seperated are called as polar molecules. They have permanent dipole moment.

Answer 2

Hiiii.... Here is your answer ✨✨✨✨
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Polar molecules: polar molecules occur when two atoms don't share electrons equally in a covalent bond.
eg: Water, Ammonia

non polar molecules: When Milena share electrons equally in a covalent bond there a non polar molecules form.
eg: carbon dioxide, methane ...

Hope it may help you ✨✨✨✨✨✨✨