Chemistry Which of the following is a natural dye ? Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It breaks the electron transport chain It causes cardiac arrest It causes Lysis of red blood cells It denatures enzymes of the heart/muscle It breaks the electron transport chain It causes cardiac arrest It causes Lysis of red blood cells It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same spin Opposite spin No spin Same or opposite spin Same spin Opposite spin No spin Same or opposite spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining Oxidation 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 D B C A D B C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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