Chemistry Neoprene is prepared by polymerisation of which of the following 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 2-methyl 1, 3-butadiene 1,3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Hydrogen peroxide Alkaline potassium permanganate Acidified potassium permanganate Bromine water Hydrogen peroxide Alkaline potassium permanganate Acidified potassium permanganate Bromine water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Rapid setting of cement Preventing rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water ANSWER DOWNLOAD EXAMIANS APP
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