Which of the following compounds gives a yellow... - JAMB Chemistry 1990 Question
Which of the following compounds gives a yellow residue when heated and also reacts with aqueous sodium hydroxide to give a white gelatinous precipitate soluble in excess sodium hydroxide solution?
A
(NH4)CO3
B
ZnCO3
C
Al2(SO4)3
D
PbCO3
correct option: b
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