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what are the methods of expressing the mathematical concentration of solutions.?
Q. Show the chemical of Boron and aluminium? Boron and aluminium when heated with nitrogen torn the nitrides BN and AIN Nitrides of Ga and in are formed by heating the elements
Q. Occurrence of group 13 element? Both boron and aluminium have a high affinity for oxygen, so neither of them is found native. Boron occurs principally in the earth's crust a
what is uniform electrical charge
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
What is the purpose of zone refining One refining process is based on the fact that the first solid to crystallize in a two component system is usually purer than the liquid as
(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B
Q. Determine the heat transfer? Ans. Let's say a blacksmith tosses a hot horse shoe into a bucket of water. The horseshoe will get cooler while the water gets hotter. Ideally
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