Chemistry The chemical name of 'laughing gas' is Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Helium Sodium Hydrogen Lithium Helium Sodium Hydrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Steel Graphite Brass Glass Steel Graphite Brass Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Zero Decreasing Constant Increasing Zero Decreasing Constant Increasing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate Sodium nitrite Potassium nitrite Sodium nitrate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Oxidizing agent Adsorbent Reducing agent Coagulant aid Oxidizing agent Adsorbent Reducing agent Coagulant aid ANSWER DOWNLOAD EXAMIANS APP
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