ENTRANCE TEST – 2009 Multiple Questions and Answers.




41.The most durable metal plating on iron to protect against corrosion is:
A. Tin plating
B. Zinc plating
C. Nickel plating
D. Copper plating

42.Colour of the transition metal ions/ compounds is due to the electrons present in:
A. d-orbital
B. s-orbital
C. p-orbital
D. None of the above

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