Chemistry Which of the following metals is not a pollutant ? Lead Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is acetylene ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and O3 O3 and N2 O2 and N2 Oxides of N and S O2 and O3 O3 and N2 O2 and N2 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Tungsten Zinc Copper Nichrome Tungsten Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
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