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A mixture of FeO and Fe3O4 when heated in air to constant weight gains 5% in its weight .The % of FeO in the sample is? ...
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A car traveling at 22.4m/s skids to a stop in 2.55s. Determine the skidding distance of the car (assume uniform acceleration). ...
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Which one of the following has variable valency? A. Chlorine B. Sulphur C. Iron D. Sodium Your answer : B Correct answer : C Why? ...
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surrounding groups affect the energy of some of d orbital more than the others. thus, the d orbtals are no longer degenerate- why should surrounding groups affect the energy of some d orbital more than the others when they r ...