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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum?
Ans) There is a formula for this i.e
[ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6
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Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it. Table:
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The number of unpaired electrons in an O 2 molecule is: (1) 0 (2) 1 (3) 2 (4) 3 Ans: 2
What are the Types of Acceptance Tests? There are two main aspects to acceptance testing: Measurement of Acceptability Comparison of acceptability or preference
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what are the acid refractory and its application and examples?
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formula of alocholic acidity
Basics of Periodic Table.
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