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Engineering MaterialsDefine solid solution. Distinguish between substitutional and interstitial solid solutions.20247mEngineering MaterialsWrite a short note on: Solid Solutions20257mEngineering MaterialsChoose the correct option: Which factor most strongly governs whether a substitutional solid solution forms between metals A and B? (i) Large electronegativity difference between A and B (ii) Similar atomic radii and crystal structures with high mutual solubility (iii) Presence of small interstitial atoms like C or N (iv) High melting point of the solvent metal alone20252mEngineering MaterialsClassify imperfections in solids with one example each.20257m