Chemical Process Vulcanisation of rubber Increases its oil & solvent resistance Decreases its tensile strength Increases its ozone & oxygen reactivity Converts its plasticity into elasticity Increases its oil & solvent resistance Decreases its tensile strength Increases its ozone & oxygen reactivity Converts its plasticity into elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an unsaturated fatty acid? Palmitic acid Stearic acid Oleic acid Lauric acid Palmitic acid Stearic acid Oleic acid Lauric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat All of these Is inversely proportional to its molecular weight Gives an idea about its molecular weight Detects its adulteration All of these Is inversely proportional to its molecular weight Gives an idea about its molecular weight Detects its adulteration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of sodium thiosulphate (hypo) in development of photographic film/plate is to Remove metallic silver Convert silver chloride to silver Remove unexposed silver halide Brighten the faint images Remove metallic silver Convert silver chloride to silver Remove unexposed silver halide Brighten the faint images ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting plastic materials Can be repeatedly melted Is useful for spinning Can not be melted after forming Is useful for melt casting Can be repeatedly melted Is useful for spinning Can not be melted after forming Is useful for melt casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Polymethyl methacrylate (PMMA) is known as Teflon Bakelite Perspex Nylon-6 Teflon Bakelite Perspex Nylon-6 ANSWER DOWNLOAD EXAMIANS APP