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Class 9
Chemistry :-NCERT Solution - Atoms And Molecules

Page No 44:
Question 4:

Write the chemical formulae of the following:

(a) Magnesium chloride

(b) Calcium oxide

(c) Copper nitrate

(d) Aluminium chloride

(e) Calcium carbonate


Answer:

(a) Magnesium chloride → MgCl2

(b) Calcium oxide → CaO

(c) Copper nitrate → Cu (NO3)2

(d) Aluminium chloride → AlCl3

(e) Calcium carbonate → CaCO3


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