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Non-metals

Non-metals are the elements which form negative ions by accepting or gaining electrons. Non-metals usually have 4, 5, 6 or 7 electrons in their... View Article

Electronegativity

The tendency of an atom in a molecule to attract the shared pair of electrons towards itself is known as electronegativity. It is a dimensionless... View Article

Chemical Indicators

Substances around us have an acidic as well as basic nature. Acidic substances are the substances which are sour in taste, whereas bases are... View Article

Extraction of Wool

A material, which is composed of thin and continuous strands is known as fibre. Fibre can be classified into - natural fibre and synthetic fibre.... View Article