On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?
5 807 5f697a06f9079a64e3a50c7f
Q:
On heating copper powder in air, a layer of copper oxide accumulates on its surface. What is the color of this layer?
- 1Blacktrue
- 2Whitefalse
- 3Yellowfalse
- 4Brownfalse
- Show Answer
- Workspace
- Discuss