1.

State three reasons for the following facts: a. Sulphur is a non metal. b. Magnesium is a metal.

Answer»

Solution :(i) Sulphur is a non metal
1. Poor conductor of heat and ELECTRICITY
2. Neither MALLEABLE nor ductile
3. `S+O_(2)toSO_(2)`
`SO_(2)+H_(2)OtoH_(2)SO_(3)`
(Sulphurous acid)
Sulphurdioxide is acidic OXIDE
(ii) Magnesium is a metal
Good conductor of theat adn electricity. Maleable and ductile.
`2Mg+O_(2)to2MgO`
`MgO+H_(2)OtoMg(OH)_(2)`
(Magnesium hydroxide)
Magnesium oxide is BASIC in nature.


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