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Electrovalent compounds are:
(1) Good conductor of electricity
(2) Polar in nature
(3) Low M.P. and low B.P.
(4) Easily available
Ans: Polar in nature
The electron density between 1s and 2s orbital is : (1) High (2) Low (3) Zero (4)None of these Ans:Zero
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Evaluate the relation between rate constant k 1 and k 2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
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general methods of preparation of ethanol
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How many fluorescence photons will really be detected on average by the photo detector during a 10 ms acquisition window if one diIC12 molecule is located in the illuminated area?
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