Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d A and c B and c A and b C and d A and c B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen Nitrogen dioxide Nitric acid Ammonia Nitrogen Nitrogen dioxide Nitric acid Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to 3-methyl octane n-heptane 2-methyl octane iso-octane 3-methyl octane n-heptane 2-methyl octane iso-octane ANSWER DOWNLOAD EXAMIANS APP
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