Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Lead Sulphate Sodium sulphate Zinc sulphate Potassium sulphate Lead Sulphate Sodium sulphate Zinc sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Ag Na Fe Hg Ag Na Fe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetic acid Ethanol Acetone Formaldehyde Acetic acid Ethanol Acetone Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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