Chemistry The purest form of water in nature is Sea water Rain water River water Lake water Sea water Rain water River water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Copper Zinc Tungsten Nichrome Copper Zinc Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule 5 gram of molecule 0.5 gram of molecule 10 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Thomson Rutherford Sommerfeld Hund Thomson Rutherford Sommerfeld ANSWER DOWNLOAD EXAMIANS APP