Chemistry What is the principal ore of aluminium ? Lignite Bauxite Dolomite Copper Lignite Bauxite Dolomite Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Iodine and water Glucose isomerase Hydrogen peroxide Mild sulphuric acid Iodine and water Glucose isomerase Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Zinc Copper Gold Iron Zinc Copper Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 150 km 200 km 100 km 300 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Unsaturation in oil Carboxylic groups in oil Alkali content in oil Hydroxyl groups in oil Unsaturation in oil Carboxylic groups in oil Alkali content in oil Hydroxyl groups in oil ANSWER DOWNLOAD EXAMIANS APP
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