Chemistry - Single MCQs (Page 50)

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Q491. Which one of the dissociation constant?...Q492. Philosopher s wool is?...Q493. 2.0 g of CH4 on combustion produce 25 kcal. Heat of combustion of CH4 would be?...Q494. Which chemical decreases the H+ ion concentration of an acetic acid solution?...Q495. A complex polysaccharide produced from sucrose by the bacterium Leuconostoc Mese...Q496. The interferons are?...Q497. Disaccharide sugars are?...Q498. Which are sulphide ores?...Q499. Which are colligative properties?...Q500. A fruity smell is obtained by the reaction of ethanol with?...