Chemistry Impure camphor is purified by Fractional crystallisation Sublimation Fractional distillation Steam distillation Fractional crystallisation Sublimation Fractional distillation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Phosphate Arsenic Detergent Zinc Phosphate Arsenic Detergent Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Palmitic acid Lactic acid Acetic acid Citric acid Palmitic acid Lactic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is a polymer of Styrene Vinyl acetate Isoprene Propene Styrene Vinyl acetate Isoprene Propene ANSWER DOWNLOAD EXAMIANS APP