This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An element with atomic mass 100 has a bcc structure and edge length 400 pm. The density of element is A) 10.37 g cm-3. B) 5.19 g cm-3. C) 7.29 g cm-3. D) 2.14 g cm-3. Show Answer Correct Answer: B) 5.19 g cm-3. 2. Each ferromagnetic material has a characteristic temperature above which its properties are different from those below it. The temperature is called A) Demagnetisation temperature. B) Curie temperature. C) Transition temperature. D) Faraday's temperature. Show Answer Correct Answer: B) Curie temperature. 3. Formula of radius ratio rule:- A) Radius of anion/ radius of cation. B) Radius of cation/ radius of anion. C) Area of cation/ radius of anion. D) None of these. Show Answer Correct Answer: B) Radius of cation/ radius of anion. 4. What is the maximum capacity of xD cards? A) 1 TB. B) 2 TB. C) 512 GB. D) 2 GB. Show Answer Correct Answer: D) 2 GB. 5. Ward leonard control system is mainly used for A) Very sensitive speed control. B) High speed control. C) Low speed control. D) Less sensitive speed control. Show Answer Correct Answer: A) Very sensitive speed control. 6. An excess of potassium ions makes KCl crystals appear violet or lilac in colour since A) Some of the anionic sites are occupied by an unpaired electrons. B) Some of the anionic sites are occupied by a pair of electrons. C) There are vacancies at some anionic sites. D) F centers are created which export colour to the crystals. Show Answer Correct Answer: A) Some of the anionic sites are occupied by an unpaired electrons. 7. The crystal lattice has a ..... arrangement. A) One-dimensional. B) Two-dimensional. C) Three-dimensional. D) Four-dimensional. Show Answer Correct Answer: C) Three-dimensional. 8. A cubic solid is made up of two elements X and Y . Atom Y are at the corners of the cube and X at the body centre . what is the formula of the compound? ..... A) X2Y2. B) XY. C) X4Y. D) XY2. Show Answer Correct Answer: B) XY. 9. An example of a body-centred cube is: A) Sodium. B) Magnesium. C) Zinc. D) Copper. Show Answer Correct Answer: A) Sodium. 10. Alkali halids do not show Frenkel defect because A) Cations and anions have almost equal size. B) There is a large difference in size of cations and anions. C) Cations and anions have low coordination number. D) Anions cannot be accommodated in voids. Show Answer Correct Answer: A) Cations and anions have almost equal size. 11. Graphite is a A) Metallic crystal. B) Covalent crystal. C) Ionic crystal. D) Molecular crystal. Show Answer Correct Answer: B) Covalent crystal. 12. Cubic close packing arrangement is also known as: A) Hexagonal close packing. B) Face centered cubic. C) Body centered cubic. D) None of these. Show Answer Correct Answer: B) Face centered cubic. 13. Assertion:Amorphous solids are isotropic.Reason:They do not have definite heat of fusion. A) Assertion and reason both are correct statements and reason is correct explanation for assertion. B) Assertion and reason both are correct statements but reason is not correct explanation for assertion. C) Assertion is correct statement but reason is wrong statement. D) Assertion is wrong statement but reason is correct statement. Show Answer Correct Answer: B) Assertion and reason both are correct statements but reason is not correct explanation for assertion. 14. The mole fraction of a solute in its 2.5m solution would be A) 0.025. B) 0.043. C) 0.532. D) 0.550. Show Answer Correct Answer: B) 0.043. 15. This thermodynamic cycle is used to estimate lattice enthalpy. A) Ewald sphere. B) Haber-Bosch process. C) Bragg's law. D) Born-Haber cycle. Show Answer Correct Answer: D) Born-Haber cycle. 16. In which of the following pair, both the crystals are not of same type? A) Ice, solid CO$_{2}$. B) NaCl, BaO. C) SiC, diamond. D) Mg, Ar. Show Answer Correct Answer: D) Mg, Ar. 17. The compound formed by elements P and Q has a cubic structure in which P atoms are at the corners of the cube and Q atoms are at the face centres. What is the formula of the compound? A) P3Q. B) PQ3. C) PQ4. D) P4Q. Show Answer Correct Answer: B) PQ3. 18. Numbers of formula units in unit cells Mgo, Zns (zinc blende), and pt (fcc) respectively A) 4, 3, 2. B) 4, 3, 4. C) 4, 4, 4. D) 4, 3, 1. Show Answer Correct Answer: C) 4, 4, 4. 19. In METAL EXCESS DEFECTS the sites where an electron gets trapped in the anionic vacancy disturbing the ratio of cation to anion is known as A) E-CENTRE. B) F-CENTRE. C) G-CENTRE. D) I-CENTRE. Show Answer Correct Answer: B) F-CENTRE. 20. ..... means having identical values of physical properties in all direction A) Anisotropy. B) Isotropy. C) Crystalline. D) Amorphous. Show Answer Correct Answer: B) Isotropy. 21. The total number of atoms per unit cell in an fcc structure made up of a monatomic element is: A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 22. Arrange simple cubic, body centered cubic (bcc), face centered cubic (fcc) and hexagonal close packing (hcp) in increasing order of packing efficiency. A) Hcp > fcc = bcc > simple cubic. B) Fcc > bcc > simple cubic > hcp. C) Hcp = fcc > bcc > simple cubic. D) Hcp > fcc > bcc > simple cubic. Show Answer Correct Answer: C) Hcp = fcc > bcc > simple cubic. 23. If the unit cell of a mineral has cubic close packed (ccp) array of oxygen atoms with m fraction of octahedral holes occupied by aluminium ions and n fraction of tetrahedral holes occupied by magnesium ions, m and n, respectively, are A) 1/2, 1/8. B) 1, 1/4. C) 1/2, 1/2. D) 1/4, 1/8. Show Answer Correct Answer: A) 1/2, 1/8. 24. The number of atoms present in a unit cell of a monoatomic substance (element) of a simple cubic lattice, body-centred cubic and face-centred cubic respectively are A) 8, 9 and 14. B) 1, 2 and 4. C) 4, 5 and 6. D) 2, 3, and 5. Show Answer Correct Answer: B) 1, 2 and 4. 25. Diamond and graphite are which type of solids? A) Covalent and ionic respectively. B) Covalent and molecular respectively. C) Both covalent. D) Both molecular. Show Answer Correct Answer: C) Both covalent. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 1 Solid State Quiz 1Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 2Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 3Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 4Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 5Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 6Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 7Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 8Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books