Chemistry Chile saltpeter is the common name of: Potassium nitrite Sodium nitrite Sodium nitrate Potassium nitrate Potassium nitrite Sodium nitrite Sodium nitrate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Graphite Phosphorus Silicon Sodium Graphite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Fluorine Chlorine Radium Francium Fluorine Chlorine Radium Francium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Remains same Cannot be predicted Decreases Increases Remains same Cannot be predicted Decreases ANSWER DOWNLOAD EXAMIANS APP
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