Question

if the chemical formulae of the chloride of an element E are ECI↓3 and ECI↓5, then the chemical formulae of its oxides will be​

Answer 1

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Chemical formula of the following is as follows:

(a) Magnesium chloride = MgCl

2

(b) Calcium oxide = CaO

(c) Copper nitrate = Cu(NO

3

)

2

(d) Aluminium chloride = AlCl

3

(e) Calcium carbonate = CaCO

3

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