Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is a type of Polyester Acrylic Polyolefin Polyamide Polyester Acrylic Polyolefin Polyamide ANSWER DOWNLOAD EXAMIANS APP
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 one of the following elements is used in the manufacture of safety matches? Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Aluminium Sodium Silver Calcium Aluminium Sodium Silver Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? DDT Lindane Parathion Carbary DDT Lindane Parathion Carbary ANSWER DOWNLOAD EXAMIANS APP
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