Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Deactivated nitrogen Bleach Alum Activated carbon Deactivated nitrogen Bleach Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO2 N2O3 N2O NO NO2 N2O3 N2O NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n n-2 n2 n3 n n-2 n2 n3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2into nitrite N2 into nitrate Ammonia into N2 Ammonia into nitrite N2into nitrite N2 into nitrate Ammonia into N2 Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
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