Chemistry DDT and BHC may act as Asthematic agents Allergens Carcinogens None of these Asthematic agents Allergens Carcinogens None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Copper Lead Iron Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Experience collision less frequently Are lighter Need less energy to move them Have negative charge Experience collision less frequently Are lighter Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Cancer Asphyxiation Corrosion Bronchitis Cancer Asphyxiation Corrosion Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O Methyl alcohol and H2O Methyl alcohol Ethyl alcohol Ethyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methane Methyl alcohol Acetylene Ethyl formate Methane Methyl alcohol Acetylene ANSWER DOWNLOAD EXAMIANS APP
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