Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Water gas Carbon monoxide Mustard gas Hydrogen cyanide Water gas Carbon monoxide Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI CI– and [CO3]2– CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Shorter Longer None of these Of same lenght Shorter Longer None of these Of same lenght ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 5.0 mg/m3 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 5.0 mg/m3 0.01 mg/m3 1.0 mg/m3 0.001 mg/m3 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 hydrogen oxygen nitrogen carbon hydrogen oxygen nitrogen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor react with U to release energy undergo combustion which triggers the nuclear fission produce neutrons convert fast moving neutrons into thermal neutrons react with U to release energy undergo combustion which triggers the nuclear fission produce neutrons convert fast moving neutrons into thermal neutrons ANSWER DOWNLOAD EXAMIANS APP