Chemistry Impure camphor is purified by Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Monoxide Hydrogen Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen Carbon Dioxide Marsh gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Soda ash Bleaching powder Washing soda Baking soda Soda ash Bleaching powder Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Calcium aluminate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen dioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS