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Green sand is heated to what temperature to convert it into dry sand?(a) 150°F – 300°F(b) 200°F – 450°F(c) 250°F – 550°F(d) 300°F – 650°F |
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Answer» The correct option is (d) 300°F – 650°F To explain I would say: To convert green sand into dry sand, the green sands are heated to a fairly good amount of temperature. This temperature would range in between the ranges of 300°F to 650°F. |
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