Chemistry Tetra ethyle lead (TEL) is An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Haemetite None of these Limnonite Magnetite Haemetite None of these Limnonite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and zinc Lead and copper Lead and bismuth Lead and antimony Lead and zinc Lead and copper Lead and bismuth Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Coagulation Sedimentation Disinfection Softening Coagulation Sedimentation Disinfection ANSWER DOWNLOAD EXAMIANS APP
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