Which of the following process involvessmelting ? – InterviewSolution

1.	Which of the following process involvessmelting ?
Answer» `ZnCO_(3)overset(Delta)rarr ZnO+CO_(2)` `Fe_(2)O_(3)+3Coverset("HEAT")rarr 2Fe+3CO` `2PbS+3O_(2)overset("Heat")rarr 2PbO+2SO_(2)` `Al_(2)O_(3). 2H_(2)Ooverset("Heat")rarrAl_(2)O_(3)+2H_(2)O` Answer :B

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