Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Acetic acid Oxalic acid Citric acid Formic acid Acetic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Double nitrate Nitrates of aluminium Hydrated chlorides Double sulphates Double nitrate Nitrates of aluminium Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 78.03 0.94 0.03 85.02 78.03 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Electron, proton Neutron, electron Proton, neutron Neutron, positron Electron, proton Neutron, electron Proton, neutron Neutron, positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability High calorific value 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 ANSWER DOWNLOAD EXAMIANS APP