Chemical Process Manufacture of phthalic anhydride uses __________ as a catalyst. V₂O₅ Ni Al₂O₃ Cr V₂O₅ Ni Al₂O₃ Cr ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sodium bisulphite Chlorine Lime Sulphuric acid Sodium bisulphite Chlorine Lime Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hard water Does not affect the lather formation by soap Is not unfit for drinking purpose Pollutes the water stream All of these Does not affect the lather formation by soap Is not unfit for drinking purpose Pollutes the water stream All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following fuel gases contains maximum amount of carbon monoxide? L.D. converter gas Water gas Coke oven gas Blast furnace gas L.D. converter gas Water gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yellow phosphorus is transported under Helium Nitrogen Water Air Helium Nitrogen Water Air ANSWER DOWNLOAD EXAMIANS APP