CBSE Class 12 Chemistry The Solid State Quiz 3

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1. In which pair most efficient packing is present?

A hep and bcc B hep and ccp C bcc and ccp D bcc and simple cubic cell

2. What is the effect of Frenkel defect on the density of ionic solids?

A The density of the crystal increases B The density of the crystal decreases C The density of the crystal remains unchanged D There is no relationship between density of a crystal and defect present in it

3. In a Schottky defect

A an ion moves to interstitial position between the lattice points B electrons are trapped in a lattice site C some lattice sites are vacant D some extra cations are present in interstitial space

4. To get n-type of semiconductor, germanium should be doped with

A gallium B arsenic C aluminium D boron

5. p-type semiconductors are formed When Si or Ge are doped with

A group 14 elements B group 15 elements C group 13 elements

6. Which of the following conditions favours the existence of a substance in the solid state?

A High temperature B Low temperature C High thermal energy D Weak cohesive forces

Practice more on The Solid State

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