Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Tannin Cocaine Caffeine Morphine Tannin Cocaine Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Zinc Lead Tin Copper Zinc Lead Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 78.03 85.02 0.94 0.03 78.03 85.02 0.94 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Zinc Copper Silver Aluminium Zinc Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP