Chemistry Which one of the following is most acidic MgO Al22O3 CaO Na2O MgO Al22O3 CaO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Smelting Calcination Refining Roasting Smelting Calcination Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry 24 carat of diamond is equal to 200 mg 91% gold 95% mg 200 g 200 mg 91% gold 95% mg 200 g ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Nitrogen Fluorine Oxygen Neon Nitrogen Fluorine Oxygen Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Butyl salicylate Methyl salicylate Ethyl salicylate Propyl salicylate Butyl salicylate Methyl salicylate Ethyl salicylate Propyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Sodium chloride Potassium nitrate Silver bromide Aluminium hydroxide Sodium chloride Potassium nitrate Silver bromide ANSWER DOWNLOAD EXAMIANS APP