- 04/30/2019 at 7:03 am #726364EduGorillaKeymasterSelect Question Language :
Which of the following statements is/are true for annealing?
I. Annealing is done for increasing hardness and strength of the material.
II. In annealing, atoms migrate into crystal lattice and reduce imperfections.
III. Annealing involves the heating of material above its recrystallization temperature and then cooling it by means of cold water and oil.
IV. In semiconductors, annealing is done to facilitate the doping.
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