Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation Solar infrared radiation CO2 in the air SO2 in the air Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Copper and tin Copper and zinc Lead and tin Lead and antimony Copper and tin Copper and zinc Lead and tin Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Methoxy benzoic acid Acetyl Salicilic acid Phenyl Salicilate Methyl Salicilate Methoxy benzoic acid Acetyl Salicilic acid Phenyl Salicilate Methyl Salicilate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Nitrates of aluminium Hydrated chlorides Double nitrate Double sulphates Nitrates of aluminium Hydrated chlorides Double nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS