Chemistry The lightest gas which is non-inflammable is Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Mercury Lead Platinum Zinc Mercury Lead Platinum Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to presence of free electrons its high polishing its high density its chemical inertness presence of free electrons its high polishing its high density its chemical inertness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Chromium and nickel Copper and nickel Manganese and copper Copper and chromium Chromium and nickel Copper and nickel Manganese and copper Copper and chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Calcium Strontium Sodium Barium Calcium Strontium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene ANSWER DOWNLOAD EXAMIANS APP