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प्रश्न
What happens to the steel benches and tables during the rainy season?
टीपा लिहा
उत्तर
Tarnishing of metal articles:
This is because the iron metal comes into contact with water and oxygen, it undergoes a chemical reaction called Rusting. Shiny metal surfaces and other articles lose their shining appearance due to chemical reactions on the surface.
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Factors Determining Chemical Changes
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