Chemistry Glycol is added to aviation gasoline because it Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol Prevents freezing of petrol Reduces consumption of petrol Increases efficiency of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Mustard gas Carbon monoxide Water gas Hydrogen cyanide Mustard gas Carbon monoxide Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Open system Isobaric system Isothermal system Closed system Open system Isobaric system Isothermal system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect Eutrophication Smog None of these Green house effect Eutrophication Smog None of these ANSWER DOWNLOAD EXAMIANS APP
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