Chemistry MCQS

51. Ionic solids with defects contain:
A. Equal number of cation and anion vacancies
B. Interstitial anions and anion vacancies
C. Cation vacancies only
D. Cation vacancies and interstitial cations

52. Crystals can be classified into __ basic crystal habits:
A. 7
B. 4
C. 14
D. 3

53. In the crystal structure of sodium chloride, the arrangement of CI- ions is:
A. Fcc
B. Both Fcc and Bcc
C. Bcc
D. None of them

54. How many kinds of space lattices are possible in a crystal?
A. 23
B. 7
C. 230
D. 14

55. Potassium crystallizes with:
A. Orthogonal lattice
B. Cubic Lattice
C. Triclinic
D. Orthorhombic lattice

56. The ratio of close-packed atoms to tetrahedral holes in cubic close packing is:
A. 1:1
B. 1:2
C. 1:3
D. 2:1

57. The number of Nacl molecules in the unit cell of its crystal is:
A. 2
B. 4
C. 6
D. 8

58. How many Cl-Ions are there around Na+ion in Nacl Crystal?
A. 3
B. 4
C. 6
D. 8

59. The Muscles, tissues, and blood are made of:
A) Protein
B) Fats
C) Carbohydrates
D) Iron

60. Satiety is the condition in which the patient lacks the desire to:
A) Eat
B) Sleep
C) Drink
D) Speak