Chemistry Galvanization is the : Deposition of zinc on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron Deposition of zinc on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Nitrous oxide Chloroprene Bleaching powder Carbonyl chloride Nitrous oxide Chloroprene Bleaching powder Carbonyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Aluminium Silver Copper Mercury Aluminium Silver Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Disinfection Sedimentation Coagulation Softening Disinfection Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP