Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Distillation Boiling None of these Formation of lather with soap Distillation Boiling None of these Formation of lather with soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Sulphur dioxide Carbon dioxide Hydrogen Ammonia Sulphur dioxide Carbon dioxide Hydrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Anions Isotopes Higgs-boson Cations Anions Isotopes Higgs-boson Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Disinfectant Pesticide Insecticide Fertilizer Disinfectant Pesticide Insecticide Fertilizer ANSWER DOWNLOAD EXAMIANS APP
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