Chemistry The purest form of Iron is : Steel Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Urea Uric acid Glucose Lactic acid Urea Uric acid Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Krypton Radon Helium Argon Krypton Radon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Strontium Calcium Barium Sodium Strontium Calcium Barium ANSWER DOWNLOAD EXAMIANS APP