Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Nitrogen Argon Helium Neon Nitrogen Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium hypophosphate Calcium sulphate Calcium phosphate Phosphoric sulphate Calcium hypophosphate Calcium sulphate Calcium phosphate Phosphoric sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content Remove suspended solids Disinfect the sewage Aerate the sewage Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Zinc Silver Aluminium Copper Zinc Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as non-luminous zone luminous zone dark zone blue zone non-luminous zone luminous zone dark zone blue zone ANSWER DOWNLOAD EXAMIANS APP