Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Adsorbent Absorbent Coagulant Solvent Adsorbent Absorbent Coagulant Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property Basic property ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'All the four quantum numbers of two electrons in an atom are not the same.' It is the law of – Avogadro's Law Uncertainty Principle of Hiesenberg Exclusion Principle of Pauli Hund's rule of maximum multiplicity Avogadro's Law Uncertainty Principle of Hiesenberg Exclusion Principle of Pauli Hund's rule of maximum multiplicity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS