Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen Oxides of sulphur Smoke Hydrocarbon Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Coal fire Burning garbage Burning coal Steam engine Coal fire Burning garbage Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of moles of solute present in 1 kg of a solvent is called its normality molarity molality formality normality molarity molality formality ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 3-5% 10-15% 7-9% 0.02 3-5% 10-15% 7-9% 0.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
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