Chemistry Which one of the following is known as the 'brown coal'? Bituminous Lignite Coke Anthracite Bituminous Lignite Coke Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Krypton Argon Neon Helium Krypton Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Coal gas Indane gas Water gas Natural gas Coal gas Indane gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Disinfect the sewage Aerate the sewage Remove suspended solids Remove water content Disinfect the sewage Aerate the sewage Remove suspended solids Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen hydrogen oxygen carbon nitrogen hydrogen oxygen carbon ANSWER DOWNLOAD EXAMIANS APP