Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast Gujarat coast West Bengal coast Orissa coast Travancore coast Gujarat coast West Bengal coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the strongest base in aqueous solution ? Ammonia Triethylamine Diethylamine Ethylamine Ammonia Triethylamine Diethylamine Ethylamine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Visible Ultraviolet Infrared Radio-waves Visible Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter ANSWER DOWNLOAD EXAMIANS APP