This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 42 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 42 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which quadrant the reverse motoring is applicable? A) I. B) II. C) III. D) IV. Show Answer Correct Answer: C) III. 2. A material's hardness depends on its ..... A) Color. B) Microstructure and atomic bonding. C) Number of optical phonons. D) Ambient temperature. Show Answer Correct Answer: B) Microstructure and atomic bonding. 3. What type of materials are suitable for Cold Welding (CW)? A) Brittle materials. B) Ductile metals. C) Ceramics. D) Polymers. Show Answer Correct Answer: B) Ductile metals. 4. Diamond and graphite are made from the same element with a different shapes. The terms for this is called A) Alloy. B) Allotropes. C) Lattice. D) None of the above. Show Answer Correct Answer: B) Allotropes. 5. Name the crystal defect in which density of the solid does not change. A) Schottky defect. B) Frenkel defect. C) Vacancy defect. D) Interstitial defect. Show Answer Correct Answer: B) Frenkel defect. 6. Which of the following term does not involve an ideal gas law? A) Pressure. B) Volume. C) Temperature. D) Time. Show Answer Correct Answer: D) Time. 7. The crystal with a metal deficiency defect is A) NaCl. B) FeO. C) ZnO. D) KCl. Show Answer Correct Answer: B) FeO. 8. 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. A) A2B. B) AB2. C) AB. D) A2B3. Show Answer Correct Answer: C) AB. 9. Which has no rotation of symmetry? A) Hexagonal. B) Orthorhombic. C) Cubic. D) Triclinic. Show Answer Correct Answer: D) Triclinic. 10. Gases found in the environment are most likely to exhibit properties similar to that of ideal gases under conditions of: A) Low temperatures and high pressures. B) High temperatures and high pressures. C) High temperatures and low pressures. D) Low temperatures and low pressures. Show Answer Correct Answer: C) High temperatures and low pressures. 11. What is the difference between conductors, semiconductors, and insulators in terms of band theory? A) Insulators have a small band gap for controlled conductivity. B) Conductors allow free electron flow, semiconductors have a small band gap for controlled conductivity, and insulators have a large band gap preventing electron flow. C) Semiconductors allow free electron flow like conductors. D) Conductors have a large band gap preventing electron flow. Show Answer Correct Answer: B) Conductors allow free electron flow, semiconductors have a small band gap for controlled conductivity, and insulators have a large band gap preventing electron flow. 12. Lattice point in primitive unit cell:- A) 1. B) 8. C) 10. D) 14. Show Answer Correct Answer: B) 8. 13. The relationship between the radius (r) of the tetrahedral void and the radius (R) of the atoms in close packing is A) R = 0.155 R. B) R = 0.225 R. C) R = 0.414 R. D) R = 0.732 R. Show Answer Correct Answer: B) R = 0.225 R. 14. N type semiconductor will be formed when A) Ge is doped with B. B) Ge is doped with As. C) Ge is doped with Si. D) Si is doped with Ga. Show Answer Correct Answer: B) Ge is doped with As. 15. Which of the following is an example of hydrogen bonded solid A) Water. B) CO2(s). C) H2O(s). D) SO2(s). Show Answer Correct Answer: C) H2O(s). 16. 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. A) Dimagnetic. B) Paramagnetic. C) Ferrimagnetic. D) Ferromagnetic. Show Answer Correct Answer: A) Dimagnetic. 17. The coordination number in hcp is A) 6. B) 12. C) 18. D) 24. Show Answer Correct Answer: B) 12. 18. Polymorphs are different crystalline structures A) Formed by the interaction of x-rays with the electrons of the sample. B) With the same arrangement of their atoms in 3D space. C) From the same crystal group. D) Having the same chemical formula. Show Answer Correct Answer: D) Having the same chemical formula. 19. How much part of any corner atom actually belongs to a particular unit cell? A) 1/4th. B) 1/6th. C) 1/8th. D) 1/10th. Show Answer Correct Answer: C) 1/8th. 20. The process of converting Fixed DC voltage into variable DC Voltage is called as ..... A) Chopper. B) Inverter. C) Rectifier. D) Cycloconverter. Show Answer Correct Answer: A) Chopper. 21. Due to the regular arrangement of particles, certain properties differ in different directions; this is called? A) Spinel Structure. B) HCP struture. C) Isotropy. D) Anisotropy. Show Answer Correct Answer: D) Anisotropy. 22. How to differentiate true solid from psudo solid A) Sharp phase transition. B) Definite geometry. C) Short range order. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 23. ZnO (panas) A) Yellow, soluble. B) Yellow, insoluble. C) White, soluble. D) White, insoluble. Show Answer Correct Answer: B) Yellow, insoluble. 24. What is the key characteristic of secondary storage? A) Sequential access. B) Volatile. C) Random access. D) Non-volatile. Show Answer Correct Answer: D) Non-volatile. 25. Graphite is an example of ..... solid A) Ionic. B) Covalent. C) Molecular. D) Metallic. Show Answer Correct Answer: B) 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