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The warning sign displayed on containers of concentrated acids and bases indicates that

Question
The warning sign displayed on containers of concentrated acids and bases indicates that
The contents are flammable
The contents are corrosive, and mixing with water is highly exothermic
The contents are explosive in air
The contents are radioactive
Answer
The contents are corrosive, and mixing with water is highly exothermic
Detailed Explanation
This sign warns of the corrosive nature of these substances and the large amount of heat released on dilution.
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