Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Low reactivity with metal Ability to lower the melting point of the metal High flammability High calorific value Low reactivity with metal Ability to lower the melting point of the metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Aluminium Iron Tin Copper Aluminium Iron Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable It immediately combines with oxygen to form water It is the lightest gas It is absorbed by plants It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Hydrogen nucleus Electron Proton Neutron Hydrogen nucleus Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Bakelite Nylon 66 Tollen's Terylene Bakelite Nylon 66 Tollen's ANSWER DOWNLOAD EXAMIANS APP
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