Chemistry The metal ion present in Vitamin B12 is Nickel Zinc Cobalt Iron Nickel Zinc Cobalt Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value High flammability Low reactivity with metal Ability to lower the melting point of the metal High calorific value ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Phosphatic fertilizer Potassium fertilizer Nitrogenous fertilizer Sodium fertilizer Phosphatic fertilizer Potassium fertilizer Nitrogenous fertilizer Sodium fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 4 2 3 5 4 2 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Are lighter Need less energy to move them Experience collision less frequently Have negative charge Are lighter Need less energy to move them Experience collision less frequently ANSWER DOWNLOAD EXAMIANS APP
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