Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO CFC CO2 SO2 CO CFC CO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234 A B D C A B D C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Assimilation of nitrate Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins ANSWER DOWNLOAD EXAMIANS APP
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