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Which of the following electron transition in a hydrogen atom will require the largest amount of:
(1) From n-1 to n=2
(2) From n= 2 to n=3
(3) From n= ∞ to n=1
(4) From n=3 to n= 5
Ans: From n-1 to n=2
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
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define it
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
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The minimum amount of energy needed for the reaction to takes place is known as threshold energy.
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Here''s the equation: NaOH + H2SO4 = Na2SO4 + H2O
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