Chemistry The chemical name of quartz is Sodium phosphate Sodium silicate Calcium oxide Calcium phosphate Sodium phosphate Sodium silicate Calcium oxide Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water HCl Sodium Carbonate H2SO4 Pure Water HCl Sodium Carbonate H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Hydrogen Sodium Neon Nitrogen Hydrogen Sodium Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Chlorine Urea Sulphur-di- oxide Ammonia Chlorine Urea Sulphur-di- oxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Sodium Potassium Lithium Cadmium Sodium Potassium Lithium ANSWER DOWNLOAD EXAMIANS APP
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