Nigel Baldwin | Halloween chemistry @nigelbaldwin3184 | Uploaded October 2018 | Updated October 2024, 3 hours ago.
High School Chemistry
Heating a mixture of copper (II) oxide and carbon powder on a tin lid.
Thermal reduction.
The dark spots are iron (III) oxide, which does not get reduced under these conditions.
Is that a pumpkin face?
20181031 094227
High School Chemistry
Heating a mixture of copper (II) oxide and carbon powder on a tin lid.
Thermal reduction.
The dark spots are iron (III) oxide, which does not get reduced under these conditions.
Is that a pumpkin face?
20181031 094227