Chemistry The percentage of oxygen in air is approximately 0.78 0.21 0.01 1 0.78 0.21 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Sulphuric acid Hydrochloric acid Sulphurous acid Hydrofluoric acid Sulphuric acid Hydrochloric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Drinking soda is Acidic Neutral Oxidant Alkaline Acidic Neutral Oxidant Alkaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Emulsion Dialysis Coagulation Solvation Emulsion Dialysis Coagulation Solvation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
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