Chemistry The most abundant element in the earth’s atmosphere is Argon Krypton Oxygen Nitrogen Argon Krypton Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its critical temperature is high Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is low Its critical temperature is high Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is low ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Aspirin Chloride Picric acid Benzene Aspirin Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Chromium Carbon Aluminium Tin Chromium Carbon Aluminium ANSWER DOWNLOAD EXAMIANS APP
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