Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Magnesium Manganese Calcium None of these Magnesium Manganese Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Alkali content in oil Hydroxyl groups in oil Unsaturation in oil Carboxylic groups in oil Alkali content in oil Hydroxyl groups in oil Unsaturation in oil Carboxylic groups in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? H2SO4 HCl HF HNO3 H2SO4 HCl HF HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Pb Pt Cu Ni Pb Pt Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Furan Naphthalene Benzene Anthracene Furan Naphthalene Benzene Anthracene ANSWER DOWNLOAD EXAMIANS APP
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