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migration of ions,relative speed of ions,transport number,determination of ph from EMF method
Q. Illustrate Law of Conservation of Mass? Ans: Conservation of Mass and Atoms: The Law of Conservation of Mass states that mass is neither created nor destroyed. Th
A gas contains 350 ppm of H 2 S in CO 2 at 72°F and 1.53 atm pressure. If the gas is liquified, what is the weight fraction H 2 S? You are asked to make up a laboratory soluti
How many electrons can be accommodated in a sub-shell for which n=3, l=1: (1) 8 (2) 6 (3) 18 (4) 32 Ans: 6
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
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-
Which type of compounds show high melting and boiling points: (1) Electrovalent compounds (2) Covalent compounds (3) Coordinate compounds (4) All the three types of co
Q. What do you mean by Scientific Methods? A scientific method is a systematic approach utilized to answer a question or study a situation. It is both an organized manner for
For a hydrogen atom, calculate the wavelength (in nm) of an emitted photon in the Lyman series that results from the transition n = 3 to n = 1
The elements of this group form a number of compounds with halogens. The halogen compounds of S. Se, Te and Po are called as halides. For oxygen, only the fluoro compounds
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