Chemistry Which of the following is a natural polymer? Bakelite Polythene Nylon Starch Bakelite Polythene Nylon Starch ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used for cloud seeding for artificial rains is Silver Nitrate Silver Iodide Potassium Bromide Potassium Nitrate Silver Nitrate Silver Iodide Potassium Bromide Potassium Nitrate 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 Which of the following metals occurs in free state ? Zinc Lead Copper Iron Zinc Lead Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Terylene Bakelite Nylon 66 Tollen's Terylene Bakelite Nylon 66 Tollen's ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate Sodium bicarbonate Calcium hydroxide Magnesium hydroxide Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP