A white solid suspected to be lead trioxonitrate (V) zinc...
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?
lead (II) oxide
calcium oxide
zinc oxide
lead nitrate
Correct answer is C
No explanation has been provided for this answer.
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