Chemistry The gas used for artificial fruit ripening of green fruit is Acetylene Ethane Methane Ethylene Acetylene Ethane Methane Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide 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 B D A C B D A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium An insect A fungus A seed plant A bacterium An insect A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Calcium chloride Sodium nitrate Ammonium chloride Sodium chloride Calcium chloride Sodium nitrate Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Hydrogen Nitrozen Oxyzen Carbon Hydrogen Nitrozen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
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