Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Bleaching Oxidation Adsorption Reduction Bleaching Oxidation Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from toilets Waste water released from kitchen Waste water released from factories Waste water released from hospitals Waste water released from toilets Waste water released from kitchen Waste water released from factories Waste water released from hospitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Respiratory diseases (e.g.asthma) Silicosis Cancer Reduced crop yield Respiratory diseases (e.g.asthma) Silicosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitramines Nitrites Ammonia Nitrates Nitramines Nitrites Ammonia Nitrates ANSWER DOWNLOAD EXAMIANS APP
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