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Chemical reaction and equation

02/08/2018 0 0

1.Some crystals of copper sulphate were dissolved in water, formed which colour?

Ans:blue colour

2.When dilute HCL added to zinc pieces, then what will happen?

Ans: Small bubbles of H2 glass appear in the surface of Zink pieces

3. What is chemical rust?

Ans: hydrated ferric oxide

4. What is the charge of anode?

Ans: Positive charge

5. What is the charge of cathode?

Ans. Negative charge

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