Chemistry The highest volume of gases in lower atmosphere is comprised of Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant A purifier for water A fertilizer An analgesic A disinfectant A purifier for water A fertilizer An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 8 –4 4 Zero 8 –4 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with None of these Oxygen Hydrogen Carbon None of these Oxygen Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP