Chemistry For a spontaneous chemical process, the free energy change is Negative Zero Positive Depends on whether the reaction is exothermic or endothermic Negative Zero Positive Depends on whether the reaction is exothermic or endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic anhydride Nitric acid and acetic acid Nitric acid and ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Al22O3 CaO Na2O MgO Al22O3 CaO Na2O MgO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Zinc Lead Chromium Nickel Zinc Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as a/an Insecticide Disinfectant Pesticide Fertiliser Insecticide Disinfectant Pesticide Fertiliser ANSWER DOWNLOAD EXAMIANS APP
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