Chemistry The most abundant element is Nitrogen Calcium Silicon Oxygen Nitrogen Calcium Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polyester polymer Polyamide polymer Polyvinyl polymer Polysaccharide Polyester polymer Polyamide polymer Polyvinyl polymer Polysaccharide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Lead Antimony Chromium Zinc Lead Antimony Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level Smaller atomic radius High nuclear charge High bond dissociation energy Stable half filled 2p sub level 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 B C D A B C D A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with PVC Graphite Silicon Teflon PVC Graphite Silicon Teflon ANSWER DOWNLOAD EXAMIANS APP
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