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[" 9.A liquid cools down from "70^(@)C" ...

[" 9.A liquid cools down from "70^(@)C" to "60^(@)C" in "],[5" minute.The time taken to cool it from "],[60^(@)" to "50^(@)C" will be: "],[" (A) "5min],[" (B) Less then "5min],[" (C) Greater than "5min],[" (D) Less or greater than "5min" depend or "],[" the density of liquid."]

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