Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Carbon Oxygen Hydrogen Helium Carbon Oxygen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Urea Blood Cane-sugar Sodium chloride Urea Blood Cane-sugar Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten tin Gaseous zinc Molten zinc Solid zinc Molten tin Gaseous zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP
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