11. The metallurgical process in which a metal is obtained in a fused state is called A. smelting B. roasting C. calcinations D. froth floatation Answer: A. smelting 12. The molecules of which gas have highest speed? A. H2 at -73oC B. CH4 at 300 K C. N2 at 1,027oC D. O2 at 0oC Answer:
more..This is the Part 1 general knowledge questions and answers section on “Chemistry” with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. 1. The nucleus of an atom consists of A. electrons and neutrons B. electrons and protons
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