Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Graphite Wood Charcoal Lampblack Anthracite Graphite Wood Charcoal Lampblack Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of Nitrogen Monoxide with oxygen to form nitric acid Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 238 92 330 146 238 92 330 146 ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 0 – 7 8 – 14 None 0 – 14 0 – 7 8 – 14 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS