A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.(a) What changes do you expect?(b) How can you infer that it is a chemical change?
Answers
Answered by
0
Answer:
Therefore copper sulphate solution colour changes from blue to pale green. When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of the copper sulphate solution changes from blue to pale green.
Answered by
0
Answer:
Explanation:
therefore copper sulphate solution colour changes from blue to pale green. When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of the copper sulphate solution changes from blue to pale green.
Similar questions