Chemical Process Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop Its calorific value is very less All of these Tar neutralises the residual acids present in pitch It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop Its calorific value is very less All of these Tar neutralises the residual acids present in pitch ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The combustion reaction, C + O₂ = CO₂, is Autocatalytic Exothermic None of these Endothermic Autocatalytic Exothermic None of these Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. 250-300 60-70 150-200 25 250-300 60-70 150-200 25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of portland cement are calcium aluminate and Gypsum Silicates Sodium silicate Carbonates Gypsum Silicates Sodium silicate Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon 6-6 is manufactured from Dimethyl terephthalate and ethylene glycol Hexamethylene diamine and maleic anhydride Hexamethylene diamine and adipic acid Caprolactum Dimethyl terephthalate and ethylene glycol Hexamethylene diamine and maleic anhydride Hexamethylene diamine and adipic acid Caprolactum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. < 500 1100 2000 700 < 500 1100 2000 700 ANSWER DOWNLOAD EXAMIANS APP