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which of the following has smallest heat of hydrogenation per mole A) 1-Butene B)trans-2-butene C)cis-2-butene D)1,3-butadiene Ans) D)1,3-
Calculation of Number of Atoms per Unit Cell of HCP (n): One half of the each of the 2 base centre atoms (2x1/2), one six of the every of the 12 corner atoms (12x1/6) and all
4.4g of a gas at stp occupies a volume 2.27l. The gas is
The number of electrons in the valence shell of calcium is: (1) 6 (2) 8 (3) 2 (4)4 Ans: 2
Principle of chromatography - Purification of organic compounds The method of chromatography is based on the difference in the rates at which the components of a mixture move t
Carbon an essential constituent of all organic compounds The word organic means to organs of both plants and animals and organic chemistry is the study of the products which or
Q. What do you mean by electro-magnetic radiation? In the untimely twentieth century scientists accepted the idea that an atom consisted of a massive positively charged nucleus
what are the uses of sublimation under reduced pressure in chemistry
#questionwhat type of ore find in universe. Give all ores and minirals of Al,Fe,Si,Cu,Mn,Zn,Ca,Ag&Au
Basics of Potentiometry: In this unit, you have learnt about electrode potentials, principles of potentiometer and measurement of potential, different types of reference elect
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