Chemistry Which of the following is secondary air pollutant ? Photochemical smog Dust particles SO2 NO2 Photochemical smog Dust particles SO2 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Nitric oxide Sulphur dioxide Peroxyacetyl nitrate Carbon dioxide Nitric oxide Sulphur dioxide Peroxyacetyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Heat is absorbed No heat change takes place Temperature decreases Heat is liberated Heat is absorbed No heat change takes place Temperature decreases Heat is liberated ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ethane ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 5 8 13 3 5 8 13 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Pyridine Water Kerosene Petrol Pyridine Water Kerosene Petrol ANSWER DOWNLOAD EXAMIANS APP
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