PDF chapter test TRY NOW
1. In the alumino thermic process the role of Al is __________.
2. The process of coating the surface of metal with a thin layer of zinc is called __________.
3. Which of the following have inert gases 2 electrons in the outermost shell.
4. Neon shows zero electron affinity due to __________.
5. __________ is an important metal to form amalgam.
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