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Acid Rain Facts

All rain is slightly acidic, but air pollution can turn rain into harmful acid rain. Acid rain forms when sunlight makes sulphur dioxide and nitrogen oxide combine with oxygen and moisture in the air. Sulphur dioxide and nitrogen oxides come from burning fossil fuels such as coal, oil and natural gas. Acidity is measured in…
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Acid Facts

Mild acids, such as acetic acid in vinegar, taste sour. Strong acids, such as sulphuric acid, are highly corrosive. They can dissolve metals. Acids are solutions that are made when certain substances containing hydrogen dissolve in water. Hydrogen atoms have a single electron. When acid-making substances dissolve in water, the hydrogen atoms lose their electron…
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