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A white solid suspected to be lead trioxonitrate (V) zinc trioxocarbonate (IV) or ...

A white solid suspected to be lead trioxonitrate (V) zinc trioxocarbonate (IV) or calcium trioxocabonate (IV) was heated strongly. Its residue which was yellow when hot and white when cold is?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Lead (II) oxide
  • B Calcium oxide
  • C Zinc oxide
  • D Lead nitrate
Correct Answer: Option C
Explanation:

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