Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Burning coal Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO CO2 Hydrocarbons CO NO CO2 Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It breaks the electron transport chain It causes cardiac arrest It denatures enzymes of the heart/muscle It causes Lysis of red blood cells It breaks the electron transport chain It causes cardiac arrest It denatures enzymes of the heart/muscle It causes Lysis of red blood cells ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Caesium Tin Silicon Thallium Caesium Tin Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood ANSWER DOWNLOAD EXAMIANS APP
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