Chemistry Main source of lead pollution is from Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Bleaching Adsorption Reduction Oxidation Bleaching Adsorption Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Alcohol Oxalic acid Petrol H2O2 Alcohol Oxalic acid Petrol H2O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, O2 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Drug Soap Catalyst Cleansing agent Drug Soap Catalyst Cleansing agent ANSWER DOWNLOAD EXAMIANS APP