Chemistry The most abundant constituent of atmospheric air is : Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– HCI and NaCI CI– and [CO3]2– [HCO3]– and H2CO3 CI– and [HCO3]– ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal gas tragedy was caused by the gas Methyl Iso Cyanate Methyl Cyanide Methyl Iso Cyanide Methyl chloride Methyl Iso Cyanate Methyl Cyanide Methyl Iso Cyanide Methyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid ANSWER DOWNLOAD EXAMIANS APP