Chemistry Which of the following is colourless ? Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium chloride Sodium nitrate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Refining Smelting Calcination Roasting Refining Smelting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Hard rocks Lot of moisture None of these High concentration of salt Hard rocks Lot of moisture None of these High concentration of salt ANSWER DOWNLOAD EXAMIANS APP