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Friday, January 31, 2020
When 1.25 gm sample of Chalk is strongly heated. 0.44 gm of CO2 is produced. Calculate % purity of Chalk sample?
Calculate the amount of 80 % pure NaOH sample required to react with 21.3 gm Chlorine in hot condition.
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200 gm of CaCO3 sample on heating produces 11.2 liters of CO2 (g) at STP. Calculate % purity of CaCO3 sample?
Wednesday, January 29, 2020
Write total fuctional isomers of molecular formula C5H10O.
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