Chemistry Which one of the following metals is used to galvanise iron ? Mercury Lead Zinc Copper Mercury Lead Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is kerosene oil olive oil pine oil coconut oil kerosene oil olive oil pine oil coconut oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by enzymes DNA molecules nucleotides RNA molecules enzymes DNA molecules nucleotides RNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed Heat is liberated Temperature decreases No heat change takes place Heat is absorbed Heat is liberated Temperature decreases No heat change takes place ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Argon Helium Neon Nitrogen Argon Helium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP