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Which of the following oxides remains unchanged when heated in hydrogen? a) Sodium b) Iron c) Copper d)Calcium​

Which of the following oxides remains unchanged when heated in hydrogen? a) Sodium b) Iron c) Copper d)Calcium​
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Which of the following oxides remains unchanged when heated in hydrogen? a) Sodium b) Iron c) Copper d)Calcium​

User Sebagomez
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2 Answers

5 votes
The answer will be IRON
User Luckyape
by
7.1k points
4 votes

answer is simple to is iron

User Eleazer
by
8.0k points
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