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If the velocity of hydrogen molecule is 5x 10 4 cm sec-1 then its de-Broglie wavelength is:
(1) 2 Å
(2) 4 Å
(3) 8 Å
(4)100 Å
Ans: 4 Å
Action of grignard reagents on carbonyl compounds with examples
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The electron pair which forms a bond between two similar non-metallic atoms will be: (1) Dissimilar shared between the two (2) By complete transfer from one atom to other
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Which of the following reduces the activation energy of a chemical reaction?
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Soaps - Oils and fats Soaps are the metallic salts of higher fatty acids like stearic, palmitic, oleic, etc. The potassium and sodium salts are the common soaps that are solubl
atoms combine to form molecule because they tend to
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