Chemistry The major constituent of air is carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed Sulphuric acid is consumed SO2 is evolved Lead is formed Lead sulphate is consumed Sulphuric acid is consumed SO2 is evolved Lead is formed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Nitrogen Ethane All of these Methane Nitrogen Ethane All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Zinc Nickel Copper Silver Zinc Nickel Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 0.03 0.94 78.03 85.02 0.03 0.94 78.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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