Chemistry Brass is a solution of molten copper in Molten zinc Gaseous zinc Solid zinc Molten tin Molten zinc Gaseous zinc Solid zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Dil. HCl and dil. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage Remove suspended solids Remove water content Aerate the sewage Disinfect the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.201 0.323 0.158 0.273 0.201 0.323 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Terricot Cotton Nylon Rayon Terricot Cotton Nylon ANSWER DOWNLOAD EXAMIANS APP