Chemistry Rock salt is a mineral containing Magnesium Potassium Iron Sodium Magnesium Potassium Iron Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO Chlorogluorocarbons NO2 SO2 NO Chlorogluorocarbons NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen Marsh gas Carbon Dioxide Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia None of these Uric Acid Urea Ammonia None of these Uric Acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
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