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Q 9. A man runs 30 km in 1 hour. How much distance will the man cover in 1.6 hours? O 48 km O 12 km O 24 km O 33 km |
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Answer» Corrosion is a NATURAL process that CONVERTS a refined metal into a more chemically stable FORM such as oxide, hydroxide, carbonate or SULFIDE. It is the gradual destruction of MATERIALS by chemical and/or electrochemical reaction with their environment. |
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