Chemistry The Refrigerant 'FREON' is Difluoro Dichloro Methane Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride Difluoro Dichloro Methane Hydrofluosilicic Acid Fluorspar and Felspar Calcium Tetra Fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Non-combustible Lighter than hydrogen More stable More abundant than hydrogen Non-combustible Lighter than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Electrolysis Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Lead Chromium Nickel Zinc Lead Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Hydroxysalicylate Acetylsalicylic acid Alkylsalicylic acid Methyl salicylate Hydroxysalicylate Acetylsalicylic acid Alkylsalicylic acid Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
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