Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Ethers Alcohols Esters Aldehydes Ethers Alcohols Esters ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Borax Hydrogen peroxide Sodium chloride Saltpetre Borax Hydrogen peroxide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Sulphur-di- oxide Chlorine Urea Ammonia Sulphur-di- oxide Chlorine Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is abundant in Gobar gas? Oxygen Carbon dioxide Hydrogen Methane Oxygen Carbon dioxide Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Manganese Chromite Mica Bauxite Manganese Chromite Mica ANSWER DOWNLOAD EXAMIANS APP
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