Read the following question and answer:
Metal 'X' coated with a thin layer of metal 'Y' does not rust even when scratched slightly.
Identify 'X' and 'Y'. Name the process.
Identify 'X' and 'Y'. Name the process.
i. 'X' is and 'Y' is .
ii. The process is.
iii. Since sulphur does not react with water, can it be used for this purpose? Justify your answer..