Chemistry Carborundum is another name of Calcium carbide Silicon carbide Silicon oxide Calcium oxide Calcium carbide Silicon carbide Silicon oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization is the : Deposition of zinc on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron Deposition of zinc on iron Deposition of aluminium on iron Deposition of copper on iron Deposition of tin on iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Oxygen Methane Methyl alcohol Acetic acid Oxygen Methane Methyl alcohol 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 Pyrethrin used in mosquito coil is obtained from A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant An insect ANSWER DOWNLOAD EXAMIANS APP
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