Chemical Process Vulcanisation of rubber Converts its plasticity into elasticity Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Converts its plasticity into elasticity Decreases its tensile strength Increases its oil & solvent resistance Increases its ozone & oxygen reactivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the false statement pertaining to water treatment. Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Aeration of water is effective in CO₂ removal Water with pH value less than 7, is acidic Sodium sulphate or sodium carbonate do not cause hardness in water The zeolite water softening process reduces the hardness of water by not more than 50% Aeration of water is effective in CO₂ removal ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Hydrogen peroxide Chlorine Chloramine Ferrous sulphate Hydrogen peroxide Chlorine Chloramine Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coke used for the production of calcium carbide should have Low ash content High electrical resistivity Low ignition temperature All of these Low ash content High electrical resistivity Low ignition temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrochloric acid is also known as Muriatic acid Strong organic acid Oil of vitriol Green acid Muriatic acid Strong organic acid Oil of vitriol Green acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced by the dehydrogenation of ethyl benzene. Styrene Ethyl alcohol Phenol Cumene Styrene Ethyl alcohol Phenol Cumene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS