Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Nitrogen Argon Helium Hydrogen Nitrogen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Erythrocyte Lymphocyte Oocyte Spermatozoan Erythrocyte Lymphocyte Oocyte Spermatozoan ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Red phosphorus White phosphorus Phosphorus trichloride Phosphorus pentoxide Red phosphorus White phosphorus Phosphorus trichloride Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Oxidation Roasting Zone refining Electrolysis Oxidation Roasting Zone refining Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c B and c A and b C and d A and c B and c A and b ANSWER DOWNLOAD EXAMIANS APP
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