Differentiate between metals and non metals on the basis of colour
Answers
Metals: Metals are lustrous, sonorous, ductile, and are good conductor of heat and electricity.
Non-metals: Non-metals are no-lustrous, non-sonorous, non-ductile, and are bad conductor of heat and electricity.
Chemical Properties of Metals and Non-metals
Reaction with Oxygen
Metals react with oxygen to form metallic oxides. Metallic oxides are basic in nature.
Example: Iron reacts with oxygen and moisture to form iron oxide. Iron oxide is brown in colour and is commonly known as rust.
Fe + O2 + H2O → Fe2O3
Example: Magnesium reacts with oxygen when it is burnt and forms magnesium oxide.
Mg + O2 → 2MgO
Reaction with water
Some metals react vigorously with water, while some others do not react at all with water.
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