Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Same spin Opposite spin No spin Same or opposite spin Same spin Opposite spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Acidic Neutral None of these Basic Acidic Neutral None of these Basic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Methane Acetylene Ethylene Styrene Methane Acetylene Ethylene ANSWER DOWNLOAD EXAMIANS APP