Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Manganese Lead Molybdenum Mercury Manganese Lead Molybdenum Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons in a Hydrogen atom One Two Three Four One Two Three Four ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate Calcium oxalate Sodium chloride Sodium oxalate Calcium acetate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Phenol Toluene Propane Butane Phenol Toluene Propane Butane ANSWER DOWNLOAD EXAMIANS APP
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