Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 SO2 NO2 N2O SO3 SO2 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Dry farming Greenhouse effect Trade winds Fire in coal mines Dry farming Greenhouse effect Trade winds Fire in coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polycyclic hydrocarbons Oxides of nitrogen Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below None of these Choloform Water Gasolin None of these Choloform Water Gasolin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Acceleration Galvanization Sulphonation Vulcanization Acceleration Galvanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 17 36 19 53 17 36 19 ANSWER DOWNLOAD EXAMIANS APP
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