XI Chemistry State Of Matter: Solids Online Test Mdcat-2024

XI Chemistry States Of Matter Solid Online Test Mdcat
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Instructions for Chapter State Of Matter: Solids Online Test Mdcat-2024:

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    Test Details:

      • Subject: Chemistry
      • Class: 1st year or 11
      • Chapter name: State Of Matter: Solids
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 50
      • Time Allowed: 50 Minutes
      • Price : Free
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      XI Chemistry States Of Matter: Solid Online Test Mdcat-2024

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      1 / 50

      1. Which statement best describes the kinetic molecular theory as it applies to solids?

      2 / 50

      2. Why do solids maintain a definite shape and volume according to the kinetic molecular theory?

      3 / 50

      3. What type of molecular motion is predominant in solids?

      4 / 50

      4. Why are solids generally incompressible?

      5 / 50

      5. Which of the following best explains why solids have a definite shape?

      6 / 50

      6. Which process describes the transition of a solid directly into a gas?

      7 / 50

      7. Which of the following is not a sublime?

      8 / 50

      8. Select the correct statement regarding crystalline solids:

      9 / 50

      9. Regular repetition of edges and faces in a crystal is known as.

      10 / 50

      10. A phenomenon in which crystal solids show a variation in their certain physical properties along different directions in crystal lattice :

      11 / 50

      11. The phenomenon in which different solid substances exist in the same crystalline structure is called as.

      12 / 50

      12. Calcite and Aragonite are __ to each other

      13 / 50

      13. Select the correct statement

      14 / 50

      14. Which type of crystalline solid has a three-dimensional network of covalently bonded atoms?

      15 / 50

      15. What is the primary bonding mechanism in metallic solids?

      16 / 50

      16. Which type of crystalline solid is typically held together by London dispersion forces and dipole-dipole interactions?

      17 / 50

      17. Which type of crystalline solid conducts electricity in the molten state or in aqueous solution but not in the solid state?

      18 / 50

      18. Which type of crystalline solid is characterized by a regular arrangement of positive and negative ions?

      19 / 50

      19. Which type of crystalline solid has delocalized electrons that allow it to conduct electricity well?

      20 / 50

      20. Which type of crystalline solid is held together by strong electrostatic forces between oppositely charged ions?

      21 / 50

      21. Which type of crystalline solid can be malleable and ductile due to the ability of atoms to slide past each other?

      22 / 50

      22. Select the incorrect statement

      23 / 50

      23. If the limiting radius ratio of ionic solids is 0.15 to 0.22 then coordination no and it's shape will be, respectively.

      24 / 50

      24. In terms of coordination number, a larger radius ratio (r+/r-) generally leads to:

      25 / 50

      25. Which of the following is correct for radius ratio of ionic solids?

      26 / 50

      26. If the radius of Zn+² ion is 0.74A° and S־² ion is 1.84 A°.then its radius ratio and the geometry will be respectively

      27 / 50

      27. Covalent solids :

      28 / 50

      28. Ice, Iodine, Dry Ice are the examples of

      29 / 50

      29. Silicon carbide is:

      30 / 50

      30. The smallest structural part of a crystal lattice is known as

      31 / 50

      31. Select the correct statement

      32 / 50

      32. NaCl is a :

      33 / 50

      33. Number of chloride ions at the eight corners of cube

      34 / 50

      34. Number of chloride ions at the corner of one unit cell

      35 / 50

      35. Total number of chloride ions in each unit cell

      36 / 50

      36. Number of sodium ions on each edge of cube

       

      37 / 50

      37. Total no of sodium ions in each unit cell:

      38 / 50

      38. In Hexagonal close packing which type of arrangement of atoms is developed

      39 / 50

      39. Space used by ABCA layer arrangement

      40 / 50

      40. Coordination number in ABA and ABCA layer arrangement respectively

      41 / 50

      41. ABAC type of layer arrangement is developed in

      42 / 50

      42. What factor primarily determines the magnitude of lattice energy in an ionic compound?

      43 / 50

      43. As the charge on the ions in an ionic compound increases, what happens to the lattice energy?

      44 / 50

      44. Which factor does NOT influence the lattice energy of an ionic compound?

      45 / 50

      45. Lattice energy is indirectly determined by the use of?

      46 / 50

      46. Lattice energy values are important for predicting. ?

      47 / 50

      47. If all three axes in unit cell are different length but all angles are of 90° then it is identified as:

      48 / 50

      48. The temperature at which two allotropic forms co-exist in equilibrium is called as:

      49 / 50

      49. Graphite can conduct electricity in one direction only. With this behavior, it is said to be:

      50 / 50

      50. Select the incorrect

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