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      Question

      What is the process of changing a substance directly

      from solid to gas called ?
      A Evaporation Correct Answer Incorrect Answer
      B Sublimation Correct Answer Incorrect Answer
      C Melting Correct Answer Incorrect Answer
      D More than one of the above Correct Answer Incorrect Answer
      E None of the above Correct Answer Incorrect Answer

      Solution

      Sublimation is the process by which a solid changes directly to a gas without passing through the liquid state (e.g., dry ice). (A) Evaporation: it is the process of liquid changing to gas. (C) Melting: it is the process of solid changing to liquid.

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