Which of the following compounds gives a yellow residue when heated and also reacts with...
CHEMISTRY
JAMB 1990
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 Answer: B. ZnCO3
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