Chemistry Which one of the following is a greenhouse gas ? Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Acetic acid Phenol Oxalic acid Ethanol Acetic acid Phenol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Calcium Silicon Sodium Magnesium Calcium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Argon Carbon dioxide Oxygen Nitrogen Argon Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zone refining is used for the purification of Ag Cu Au Ge Ag Cu Au Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2into nitrite N2 into nitrate Ammonia into nitrite Ammonia into N2 N2into nitrite N2 into nitrate Ammonia into nitrite Ammonia into N2 ANSWER DOWNLOAD EXAMIANS APP
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