This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The percentage of empty space in a ccp arrangement is A) 74. B) 26. C) 68. D) 52.4. Show Answer Correct Answer: B) 26. 2. If the pressure of a NaCl structure is increased, then its co-ordination number will: A) Increase. B) Decrease. C) Remain the same. D) Either (B) or (C). Show Answer Correct Answer: A) Increase. 3. What type of welding process involves pressure welding by detonating an explosive layer? A) Cold Welding (CW). B) Ultrasonic Welding (USW). C) Flash Welding (FW). D) Explosive Welding (EXW). Show Answer Correct Answer: D) Explosive Welding (EXW). 4. What is Solid-State Storage? A) A type of storage that only uses magnetic disks. B) A type of storage that is only used in servers. C) A type of storage that uses integrated circuit assemblies. D) A type of storage with moving parts. Show Answer Correct Answer: C) A type of storage that uses integrated circuit assemblies. 5. NaCl is an example for A) Ionic solids. B) Metallic solids. C) Molecular solids. D) Non polar molecular solids. Show Answer Correct Answer: A) Ionic solids. 6. Which of the given solids have both Schottky and Frenkel defects? A) NaBr. B) AgCl. C) AgBr. D) NaCl. Show Answer Correct Answer: C) AgBr. 7. An example of a covalent crystalline solid is A) Si. B) NaF. C) Ar. D) Al. Show Answer Correct Answer: A) Si. 8. How does temperature affect the diode current? A) Temperature increases diode current due to higher intrinsic carrier concentration. B) Diode current is only affected by voltage, not temperature. C) Temperature has no effect on diode current. D) Higher temperature decreases diode current due to increased resistance. Show Answer Correct Answer: A) Temperature increases diode current due to higher intrinsic carrier concentration. 9. An example of a semiconductor application is ..... A) Copper wires. B) Transistors in computer chips. C) Window glass. D) Iron rods. Show Answer Correct Answer: B) Transistors in computer chips. 10. The coordination number of Ti in Rutile is ..... A) 8. B) 6. C) 4. D) 3. Show Answer Correct Answer: B) 6. 11. As a result of Schottky defect A) There is no effect on the density. B) Density of the crystal increases. C) Density of the crystal decreases. D) Any of the above three can happen. Show Answer Correct Answer: C) Density of the crystal decreases. 12. If 3 element A, B, C Crystallize in a cube structure A is at corner B at centre C at face formula will be A) ACB3. B) A3BC. C) AB3C. D) NONE. Show Answer Correct Answer: A) ACB3. 13. Ananya is studying different types of materials in her chemistry class. She learns about solids and comes across a specific type of solid known for its orderly arrangement of particles. Which of the following is a characteristic of this crystalline solid? A) Is opaque to light. B) Has a random arrangement of particles. C) Exhibits a sharp melting point. D) Is isotropic in nature. Show Answer Correct Answer: C) Exhibits a sharp melting point. 14. The number of atoms per unit cell in FCC A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: C) 4. 15. In a face centered cubic arrangement of A and B atoms whose A atoms are at the corner of the unit cell and B atoms at the face centres. One of the A atom Is missing from one corner in unit cell. The simplest formula of the compound is A) A$_{7}$B$_{3}$. B) AB$_{3}$. C) A$_{7}$B$_{24}$. D) A$_{2}$B$_{3}$. Show Answer Correct Answer: C) A$_{7}$B$_{24}$. 16. Which type of inverter type use feedback diodes? A) CSI. B) VSI. C) Both VSI and CSI. D) Only CSI. Show Answer Correct Answer: B) VSI. 17. The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites in A$_{x}$B. The value of x is ..... (Integer answer) A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 18. A mixed oxide has ccp arrangement in which the cations 'X' occupy 1/3rd of octahedral voids and the cations 'Y' occupy 1/3rd of tetrahedral voids.The formula of oxide is: A) X $_{2}$Y $_{3}$O $_{2}$. B) XY $_{3}$O. C) X $_{2}$YO $_{3}$. D) XY $_{2}$O $_{3}$. Show Answer Correct Answer: D) XY $_{2}$O $_{3}$. 19. An element has a body-centered cubic structure with a cell edge of 288pm.The density of the element is 7.2 g cm$^{-3}$ .How many atoms are present in 208 g of the element? A) Na. B) 2 x Na. C) 3 x Na. D) 4 X Na. Show Answer Correct Answer: D) 4 X Na. 20. The edge length of NaCl unit cell is 564 pm. What is the density of NaCl in g/cm$^{3}$?(N$_{A}$=6.02 X 10$^{23}$, Na=23 u and Cl=35.5u) A) 4.16g/cm$^{3}$. B) 2.16g/cm$^{3}$. C) 5.16g/cm$^{3}$. D) 6.16g/cm$^{3}$. Show Answer Correct Answer: B) 2.16g/cm$^{3}$. 21. What is the coordination number of a simple cubic structure? A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: A) 6. 22. In calcium fluoride having the fluoride structure the coordination numbers for calcium ion and fluoride ions are A) 4 and 2. B) 6 and 6. C) 8 and 4. D) 4 and 8. Show Answer Correct Answer: C) 8 and 4. 23. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day the balloon molecules inside will increase in pressure. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. If Z is the number of atoms in the unit cell that represents the closest packing sequence ABCABC ..... , the number of tetrahedral voids in the unit cell is equal to A) Z. B) 2Z. C) Z/2. D) Z/4. Show Answer Correct Answer: B) 2Z. 25. Three elements A, B and C crystallise into a cubic solid lattice. Atom A occupy the corners, B occupy the cube centres and C occupy the edges. The formula of the compound is A) ABC. B) ABC$_{2}$. C) ABC$_{3}$. D) ABC$_{4}$. Show Answer Correct Answer: C) ABC$_{3}$. ← 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