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State three reasons for the following fa...

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

Text Solution

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a. Sulphur is a non metal.
(i) It is a poor conductor of heat and electricity.
(ii) It is neither malleable nor ductile.
(iii) `S+O_(2)toSo_(2)`
`SO_(2)+H_(2)OtoH_(2)SO_(3)`
Sulphur dioxide is an acidic oxide.
b. Magnesium is a metal:
(i) It is a good conductor of heat and electricity
(ii) It is malleable and ductile
(iii) `2Mg+O_(2)to2MgO`
`MgO+H_(2)OtoMg(OH)_(2)` (Magnesium hydroxide)
Magnesium oxide is a basic oxide.
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