Chemistry Rusting of iron takes place due to Oxidation Exfoliation Carbonation Corrosion Oxidation Exfoliation Carbonation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change None of these Electrical change Physical change Electrochemical change None of these Electrical change Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Gritty substances Inorganic substances Oil and fatty substances Suspended solids Gritty substances Inorganic substances Oil and fatty substances Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Petroleum Mica Natural Gas Coal Petroleum Mica Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Leptons Quarks Photons Mesons Leptons Quarks Photons Mesons ANSWER DOWNLOAD EXAMIANS APP