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When an electron drops from a higher energy level to a low energy level, then:
(1) Atomic number decreases
(2) Energy is absorbed
(3) Atomic number increases
(4) Energy is emitted
Ans: Energy is emitted
Reaction involving cleavage of with removal of 'H' as proton Alcohols are stronger acids as compared to terminal acetylene but are not acidic enough to react along with aqueous
how do we estimate nicotine in tobacco qualitatively in lab by simple chemical test?
Ask qwhy is 5-bromovanillin the major productuestion #Minimum 100 words accepted#
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies the
To increase the pressure so that boiling point of water increases and heat provided goes only for cooking food not for boiling water
In solid state chemistry the CN 2 2- ion shows constitutional isomerism. The free acids of both anions (at least in the gas phase) are known. Illustrate the structural formul
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