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Which of the following is always a whole number:
(1) Atomic weight
(2) Atomic radii
(3) Equivalent weight
(4) Atomic number
Ans: Atomic number
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Composition of Nucleic acids Nucleic acids such as proteins and carbohydrates are polymer. The simple units which make up the nucleic acid are known as nucleotides. Nucleotides
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When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
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Difference between activity coefficient and mean activity coefficiet
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Which sample is better to use, bigger sample or smaller sample?
What is effect of substituent on acidity of phenol
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