When a spoon is to be electroplated with nickel the spoon is
1). dipped in a nickel sulphate solution
2). made anode and a pure nickel rod the cathode
3). made cathode and a pure nickel red the anode
4). coated with nickel sulphate and dried
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1. Which one is the most dense liquid from the below?
2. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
3. Cloud is a colloidal dispersion of
5. Cement containing excess amount of lime
7. The molecular formula of phosphorous is
9. Question 7.15:Why is H2O a liquid and H2S a gas?
10. 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of –