Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Violet phosphorus White phosphorus Red phosphorus Black phosphorus Violet phosphorus White phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Lead Zinc Tin Carbon Lead Zinc Tin Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Corrosion Passivation Erosion Abrasion Corrosion Passivation Erosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Not stable Chemically very active Miscible with water Chemically unreactive Not stable Chemically very active Miscible with water Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon Sodium oxide and argon Mercury oxide and neon Sodium vapour and neon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Water Air Nitrogen Carbon di–oxide Water Air Nitrogen Carbon di–oxide ANSWER DOWNLOAD EXAMIANS APP