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Class 12 Chemistry: Solid State
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MCQs on solid state characteristics, amorphous solids, crystalline solids and its classification, crystal lattices, unit cells, close packed structures, packing efficiency, unit cells calculations, solids imperfections, solid state electrical and magnetic properties.
 

Class 12 Chemistry: Solid State
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25 Questions

1. Impurity defect is a type of point defect. It can occur __________
2. Which of the following possess anisotropic nature within their structure?
3. The unit cell with a≠b≠c and α=β=γ=90 refers to __________ crystal system.
4. A substance containing one band completely filled with electrons and other band completely empty, but with a possibility of the empty band becoming populated, behaves as a _________
5. Which of the following describes a general solid?
6. 'The packing efficiency can never be 100%'. Is this true or false?
7. Gold (atomic mass 197 u) crystallises in a face-centred unit cell. What is its atomic radius if the edge length of the gold unit cell is 0.407 x 10-9m?
8. Diamond is an example of _______
9. What is each point (position of particle) in a crystal lattice termed as?
10. What is the total volume of the particles present in a body centered unit cell?
11. Solids are classified as ___________
12. What is the dimensional formula of packing fraction?
13. If a crystal lattice has 6 closed-pack spheres, what the number of tetrahedral voids in the lattice?
14. Identify the dimensional relation for the unit cell illustrated below.
Find the dimensional relation for the unit cell from the given diagram
15. Silicon is found in nature in the forms of ________
16. Polar molecular solids are _________
17. Which type of solid structure melts at a definite, sharp melting point?
18. Which of the following is a characteristic of amorphous solid?
19. Which of the following is not Anti-ferromagnetic?
20. Which of the following is regarded as the 'repeatable entity' of a 3D crystal structure?
21. The radius of an atom of an element is 55 pm. What is the edge length of the unit cell if it is body-centred cubic?
22. What is the correct order of magnetic strength among the following elements?
23. In primitive unit cubic cell, only _______ of an atom (or ion or molecule) belongs to a particular unit cell.
24. How many parameters are used to characterize a unit cell?
25. If a metal forms a FCC lattice with unit edge length 500 pm. Calculate the density of the metal if its atomic mass is 110.

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