Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Coal gas Water gas Indane gas Natural gas Coal gas Water gas Indane gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.03 85.02 78.03 0.94 0.03 85.02 78.03 0.94 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Erosion Passivation Corrosion Abrasion Erosion Passivation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide ethane acetylene ethylene carbon dioxide ethane acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Carbon Calcium Oxygen Nitrogen Carbon Calcium Oxygen ANSWER DOWNLOAD EXAMIANS APP
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