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The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
what are the diagonal relationship between berylium and aluminium
Q. Show the Extraction of Oxygen? Oxygen is separated from air on a large scale by the fractional distillation of liquid air. It is obtained as a by-product along with hydrogen
what are the chemical reactionsof the p-block elements
Q. What is law of definite proportions? A given compound is forever composed of the same elements in the same proportion by mass. This fact is recognized as the law of definit
Explain the properties of ionic bonding
Illustrate how a high initial permeability in Fe-Ni alloys helps to reduce the area under hysteresis loop. The most favourably oriented fully-grown domain tends to rotate so a
1.why hardness Bore water less than sea water?
state the purification processes commonly used by organic chemists to separate different components from a mixture
Q. What are the Properties of Nitrogen? Ans. Physical Properties of Nitrogen Nitrogen is a colorless, odorless and tasteless gas. It is particularly unreactive at roo
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