Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Nitrogen Hydrogen Argon Helium Nitrogen Hydrogen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid ANSWER DOWNLOAD EXAMIANS APP
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 Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen They have low melting and boiling points ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Manganese Magnesium Calcium None of these Manganese Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 1 2 0.05 0.01 1 2 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
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