Chemistry Which one of the following is a micro-element ? Oxygen Nitrogen Hydrogen Chlorine Oxygen Nitrogen Hydrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive halogen Iodine Chlorine Fluorine Bromine Iodine Chlorine Fluorine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane 2-methyl heptane 2,2-dimethyl hexane Iso-octane N-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is less reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Petroleum Coal Natural Gas Geothermal energy Petroleum Coal Natural Gas Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
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