Chemical Process BHC (Benzene hexachloride) is made by the chlorination of benzene In presence of sunlight Which is a substitution reaction Which is an addition reaction In absolute dark In presence of sunlight Which is a substitution reaction Which is an addition reaction In absolute dark ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Gun powder uses Sulphur Charcoal All of these Potassium nitrate Sulphur Charcoal All of these Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Chlorine Hydrogen peroxide Ferrous sulphate Chloramine Chlorine Hydrogen peroxide Ferrous sulphate Chloramine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vulcanisation of rubber Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Decreases its tensile strength Converts its plasticity into elasticity Increases its oil & solvent resistance Increases its ozone & oxygen reactivity Decreases its tensile strength Converts its plasticity into elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The temperature in the calcium carbide furnace is __________ °C. 2000-2200 4000-4500 200-300 700-850 2000-2200 4000-4500 200-300 700-850 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following impurities in feed water for high pressure boiler is the most detrimental? Dissolved oxygen Suspended salt Dissolved salt Silica Dissolved oxygen Suspended salt Dissolved salt Silica ANSWER DOWNLOAD EXAMIANS APP
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