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Updated 12th Standard Chemistry Study Materials 2022-2023 Exams

12th Standard Chemistry English Medium - Solid State 2 Mark Book Back Question Paper and Answer Key 2022 - 2023 Study Materials Sep-01 , 2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Chemistry Subject - Solid State, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

12th Standard Chemistry English Medium - Solid State 2 Mark Book Back Question Paper and Answer Key 2022 - 2023

Solid State 2 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 16

     2 Marks 

    8 x 2 = 16

  1. Define unit cell.

  2. Classify the following solids
    a. P4
    b. Brass
    c. diamond
    d. NaCl
    e. Iodine

  3. What are point defects?

  4. Calculate the number of atoms in a fcc unit cell.

  5. Why ionic crystals are hard and brittle?

  6. What is the two dimensional coordination number of a molecule in square close packed layer?

  7. KF crystallizes in fcc structure like sodium chloride. Calculate the distance between K+ and F− in KF. (given : density of KF is 248 g cm-3)

  8. An atom crystallizes in fcc crystal lattice and has a density of 10 gcm−3 with unit cell edge length of 100pm. Calculate the number of atoms present in 1 g of crystal.

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