Chemistry The gas used for filling weather balloons is Nitrogen Air Helium Hydrogen Nitrogen Air Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Hydrocarbons Elements Salts Polymers Hydrocarbons Elements Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Highest refraction Hundred percent transmission Multiple surface reflections Multiple internal reflections Highest refraction Hundred percent transmission Multiple surface reflections Multiple internal reflections ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Caesium Silicon Tin Thallium Caesium Silicon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Contact bed Percolating filter Trickling filter Intermittent sand filter Contact bed Percolating filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP