Chemistry The purest form of water in nature is River water Rain water Lake water Sea water River water Rain water Lake water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of O2 None of these N2 Both A and B O2 None of these N2 Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide Oxygen Argon ANSWER DOWNLOAD EXAMIANS APP
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