Answer:
oxidation-reduction reaction or redox reaction.
Explanation:
If hydrogen gas is passed over heated copper oxide (CuO), the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained
Answer:
lake and streams
Explanation:
The 30% of all fresh water easily accessible to humans is found in the ground and in lakes and streams. ... When water is absorbed into the ground, it is not trapped there. It can be evaporated from the surface if it is close enough to the surface. Even if it goes deep down, it can still be pulled
The answer for this question should be B) Cleavage or the second option.
The correct answer for this question is
20.2 g silver placed in 21.6 mL of water and 12.0 g silver placed in 21.6 mL of water.
15.2 g copper placed in 21.6 mL of water and 50.0 g copper placed in 23.4 mL of water.
11.2 g gold placed in 21.6 mL of water and 14.9 g gold placed in 23.4 mL of water.
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