Which inetal does not undergo corrosion due to the formation of oxide layer?
1). Copper
2). Iron
3). Aluminium
4). Zinc
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2. The Chemical formula of Aluminium Chloride is _____.
4. The material known in commerce as Terylene is a
5. The manufacturing of iron from iron ore involves the process of
6. In the electroplating of gold the electrolyte used is?
7. Question 5.4:Why is it necessary to remove CO when ammonia is obtained by Haber’s process?
8. The common name for the compound having formal NaOH is
9. When water itself combines chemically with some element or mineral it is called