Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Methane Hydrogen Butane Ethanol Methane Hydrogen Butane Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is NH2CONH2 - NH2CONH+ H2CO3 - CO32- CH3COOH - CH3COO- H2CO3 - HCO3 NH2CONH2 - NH2CONH+ H2CO3 - CO32- CH3COOH - CH3COO- H2CO3 - HCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 4 zero 5 2 4 zero 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Thallium Silicon Caesium Tin Thallium Silicon Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP