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The oxide that remains unchanged when heated in hydrogen is?
Classroom
Chemistry Classroom
Jamb
Jamb 1998
Chemistry And Industry
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The oxide that remains unchanged when heated in hydrogen is?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
CuO
B
Fe
2
O
3
C
PbO
2
D
ZnO
Show Answer
Show Explanation
Correct Answer:
Option B
Explanation:
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