Chemistry Which of the following is ozone depleting pesticide ? D.T. Benzene Ethylene ozonide Methyl bromide D.T. Benzene Ethylene ozonide Methyl bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate Aluminium powder None of these 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 C A B D C A B D ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Compounds Solutions Homogeneous systems Mixtures Compounds Solutions Homogeneous systems Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Calcium Lead Iron Gold Calcium Lead Iron Gold ANSWER DOWNLOAD EXAMIANS APP
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