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Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 17 (60 MCQs)

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1. What is one advantage of solid-state storage?
2. Concentrated sulfuric acid (H$_{2}$SO$_{4}$) is sold as an 18 mol/L solution. A company uses this concentrated solution to prepare 2.0 L bottles of 0.5 mol/L sulfuric acid. How many 2.0 L bottles can be prepared from each litre of concentrated solution?
3. Which of the following crystals has unit cell such that a#b#c and alpha#betta#gamma#90!
4. The coordination number of NaCl is .....
5. Which of the following defect is also known as a dislocation defect?
6. A solid is made up of 2 elements P and Q. Atoms Q are in ccp arrangement, while P atoms occupy all the tetrahedral sites.The formula of the compound is:
7. Assertion:In Frenkel defect, density of the crystalline solid does not change. Reason:In Frenkel defect, no cation or anion leaves the crystal.
8. Find whether the bonds are ionic or covalent-Na-F
9. In hcp arrangement, the number of nearest neighbours are ..... ?
10. Shottkey defect is exhibited by compounds with
11. If three elements X, Y, and Z crystallize in a cubic solid with X atoms at the corners, Y atoms at the cube centers, and Z atoms at the faces of the cube, then what will be the formula of the compound?
12. True or False:Cloud storage is data saved on satellites high above the sky
13. Example for SSD:
14. What is coordination number of a tetrahedral void
15. O$_{2}$, Cu$^{2+}$, Fe$^{3+}$, Cr$^{3+}$ are some examples of such substances.
16. What type of welding method creates welds that are continuous and free from porosity?
17. Which quadrant the reverse motoring is applicable?
18. A material's hardness depends on its .....
19. What type of materials are suitable for Cold Welding (CW)?
20. Diamond and graphite are made from the same element with a different shapes. The terms for this is called
21. Name the crystal defect in which density of the solid does not change.
22. Which of the following term does not involve an ideal gas law?
23. What is simplest formula of a compound formed between A and B, if A makes FCC and atons of B occupy edge centers and body centre.
24. Which has no rotation of symmetry?
25. Gases found in the environment are most likely to exhibit properties similar to that of ideal gases under conditions of:
26. What is the difference between conductors, semiconductors, and insulators in terms of band theory?
27. Lattice point in primitive unit cell:-
28. The relationship between the radius (r) of the tetrahedral void and the radius (R) of the atoms in close packing is
29. N type semiconductor will be formed when
30. Which of the following is an example of hydrogen bonded solid
31. Name the substances which are weakly repelled by a magnetic field & is shown by those substances in which all the electrons are paired and there are no unpaired electrons.
32. The coordination number in hcp is
33. Polymorphs are different crystalline structures
34. How much part of any corner atom actually belongs to a particular unit cell?
35. The process of converting Fixed DC voltage into variable DC Voltage is called as .....
36. Due to the regular arrangement of particles, certain properties differ in different directions; this is called?
37. How to differentiate true solid from psudo solid
38. What is the key characteristic of secondary storage?
39. Graphite is an example of ..... solid
40. Forward Braking operation of the motor is in
41. Due to frenkel defect the density of substance
42. Antiferromagnetic substance have
43. A circular pyrex watch glass of 10.0-dm diameter at 21 $^\circ$ C is heated to 501$^\circ$ C. What change will be found in the circumference of the glass?
44. Z effective of Body Centered Cell is
45. Why does ZnO appear golden yellow at higher temperature?
46. Ketika gerakan antar permukaan yang bersentuhan terjadi, bahkan amplitudo yang sangat kecil akan mengganggu permukaan yang bersentuhan, memecah oksida, dan membersihkan permukaan sehingga meningkatkan kekuatan pada ikatan.
47. A feromagnetic substances becomes a permanent magnet when it is placed in a magnetic field because
48. In case of association, value of vant Hoff factor ( i) is less than unity
49. LiCl, NaCl, KCl, and RbCl all adopt the rocksalt structure, with cations in octahedral coordination. However, CsCl adopts a different structure (coordination number = 8). Which of Pauling's empirical "rules" best describes this observation?
50. The valence electrons do not directly measure the following property of a metal
51. The freezing point (in $^{o}$C) of a solution containing 0.1 g of K$_{3}$[Fe(CN)$_{6}$] (Mol. Wt. 329) in100 g of water (K$_{f}$ = 1.86 K kg mol$^{-1}$) is
52. The space occupied in FCC arrangement is
53. ZnO on heating shows yellow colour, it is due to
54. When smooth and precise speed control over a wide range is desired, the motor preferred is
55. Percentage of free space in a body centred cubic unit cell is
56. ..... type of polarization occurs due to the displacement of electrons relative to their nuclei in an atom.
57. If the radius of the octahedral void is r and radius of the atoms in closepacking is R, What is the ratio between r and R.
58. Schottky defects are observed in which solid among the following?
59. The shortest distance between two points in a plane is .....
60. All polymers are
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