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What are the types of lattice imperfecti...

What are the types of lattice imperfection found in crystals?

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a. Stoichiometric defects, e.g., Schottly and Frenkel.
b. Non-stoichiometic defects, e.g., metal excess, metal deficiency, and impurity defects.
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CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Short Answer Type Questions
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  4. What is dislocation in the crystals

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  16. What type of liquids form ideal solution ?

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