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CBSE Notes 2011-2012 » XII-Chemistry-Term1

The Solid State

Name the non-stoichiometric point defect responsible for colour in alkali halides.[AI 2006]

Short answer question

Name the non-stoichiometric point defect responsible for colour in alkali halides.[AI 2006]

Name an element with which silicon can be doped to give a p/Hype semiconductor. [Foreign 2006]

Short answer question

Name an element with which silicon can be doped to give a p/Hype semiconductor. [Foreign 2006]

Name the crystal defect which lowers the density of an ionic crystal. [Delhi 2006C]

Short answer question

Name the crystal defect which lowers the density of an ionic crystal. [Delhi 2006C]

What makes the crystal of KC1 appear sometimes violet ? [AI 2006C]

Short answer question

What makes the crystal of KC1 appear sometimes violet ? [AI 2006C]

What is the effect of Schottky and Frenkel defects on the density of crystalline solids ? [AI 2006C,...

Short answer question

What is the effect of Schottky and Frenkel defects on the density of crystalline solids ? [AI 2006C, 05C]

What is the number of atoms per unit cell in a body centred cubic structure ? [Delhi 2007]

Short answer question

What is the number of atoms per unit cell in a body centred cubic structure ? [Delhi 2007]

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