Chemistry The main active constituent of tea and coffee is aspirin chlorophyll nicotine caffeine aspirin chlorophyll nicotine caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Sodium hydroxide Caustic soda Caustic potash Soda ash Sodium hydroxide Caustic soda Caustic potash Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Ethane Propane Butane Methane Ethane Propane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is prepared by polymerisation of which of the following 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile 2-chloro-1, 3-butadiene 1,3-butadiene 2-methyl 1, 3-butadiene Acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Excitation potential Electronegativity Electron affinity Ionization energy Excitation potential Electronegativity Electron affinity ANSWER DOWNLOAD EXAMIANS APP