Q. 175.0( 2 Votes )

Write the chemical formula using criss-cross method:

(a) Ammonium sulphate

(b) Magnesium bicarbonate

(c) Barium nitrate

Answer :

a) Ammonium sulphate:


By applying criss-cross method:



Chemical formula: (NH4)2SO4


b) Magnesium bicarbonate:


By applying criss-cross method:



Chemical formula: Mg(HCO3)2


c) Barium nitrate:


By applying criss-cross method:



Chemical formula: Ba(NO3)2


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