Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 100 years 3 billion years 0.01 minute 13 days 100 years 3 billion years 0.01 minute 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant An antioxidant An antiknock compound A catalyst in burning fossil fuel A reductant An antioxidant An antiknock compound A catalyst in burning fossil fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 NO Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Ester Protein Hydrocarbon Carbohydrate Ester Protein Hydrocarbon Carbohydrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to its chemical inertness its high density presence of free electrons its high polishing its chemical inertness its high density presence of free electrons its high polishing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Mercury Lead Copper Zinc Mercury Lead Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
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