Chemistry Which of the following is a natural dye ? Crystal violet Phenolphthalein Aniline blue Alizarin Crystal violet Phenolphthalein Aniline blue Alizarin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-1 Mol2 let-2 Mol-1 let-2 Mol2 let-1 Mol-1 let-1 Mol2 let-2 Mol-1 let-2 Mol2 let-1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Red ants Cockroaches Mosquitoes White ants Red ants Cockroaches Mosquitoes White ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Argon Sulphur Iodine Vanadium Argon Sulphur Iodine ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS