Write the chemical formula of the following.
$(a)$ Magnesium chloride
$(b)$ Calcium oxide
$(c)$ Copper nitrate
$(d)$ Aluminium chloride
$(e)$ Calcium carbonate

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Solution

(a) Magnesium chloride = $M g C l_{2}$
(b) Calcium oxide = $C a O$
(c) Copper nitrate = $C u (N O_{3})_{2}$
(d) Aluminium chloride = $A l C l_{3}$
(e) Calcium carbonate = $C a C O_{3}$

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Question 12
Write the molecular formulae for the following compounds

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Write the chemical formula of the following.(a) Magnesium chloride(b) Calcium oxide(c) Copper nitrate(d) Aluminium chloride(e) Calcium carbonate

(a) Magnesium chloride = MgCl2(b) Calcium oxide = CaO(c) Copper nitrate = Cu(NO3)2(d) Aluminium chloride = AlCl3(e) Calcium carbonate = CaCO3

Write the chemical formula of the following.
$(a)$ Magnesium chloride
$(b)$ Calcium oxide
$(c)$ Copper nitrate
$(d)$ Aluminium chloride
$(e)$ Calcium carbonate

(a) Magnesium chloride = $M g C l_{2}$
(b) Calcium oxide = $C a O$
(c) Copper nitrate = $C u (N O_{3})_{2}$
(d) Aluminium chloride = $A l C l_{3}$
(e) Calcium carbonate = $C a C O_{3}$