Chemistry Normal rainwater has a pH level of 5.6 8.3 3.2 6.3 5.6 8.3 3.2 6.3 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 The deterioration of a metal by an electrochemical process is commonly termed as Erosion Passivation Corrosion Abrasion Erosion Passivation Corrosion Abrasion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Catalyst Heat Oxygen Light Catalyst Heat Oxygen Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP
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