Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as An analgesic A fertilizer A purifier for water A disinfectant An analgesic A fertilizer A purifier for water A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Caesium Silicon Thallium Tin Caesium Silicon Thallium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Ammonia Diethylamine Triethylamine Ethylamine Ammonia Diethylamine Triethylamine Ethylamine ANSWER DOWNLOAD EXAMIANS APP
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