Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone methane helium oxygen ozone methane helium oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Nitrogen Ozone Methane Carbon dioxide Nitrogen Ozone Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Silicon tetrachloride Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride Tetraalkyl silane Silane Dialkyl dichloro silane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Van der Waals equation Kirchhoff's equation Lewis equation Arrhenius equation Van der Waals equation Kirchhoff's equation Lewis equation Arrhenius equation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon Sulphur dioxide Carbon dioxide Ethane Chloro fluoro carbon ANSWER DOWNLOAD EXAMIANS APP