Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield Silicosis Cancer Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Mercury Platinum Gold Iron Mercury Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Oxygen Iron Silicon Magnesium Oxygen Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Nickel Iron Chromium Tungsten Nickel Iron Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Silver bromide Hydroquinone Sodium sulphate Hypo Silver bromide Hydroquinone Sodium sulphate Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Depends on whether the reaction is exothermic or endothermic Negative Zero Positive Depends on whether the reaction is exothermic or endothermic Negative Zero ANSWER DOWNLOAD EXAMIANS APP
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