Chemistry The percentage of oxygen in air is approximately 0.78 0.21 0.01 1 0.78 0.21 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Coal Kerosene Hydrogen Diesel Coal Kerosene Hydrogen Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Soda lime Washing soda Baking soda Caustic soda Soda lime Washing soda Baking soda Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Carbonic acid Lactic acid Acetic acid Citric acid Carbonic acid Lactic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
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