CBSE Class 12 Chemistry Chapter 1 Competency-Based Questions With Answer Key 2024-25: Are you looking for practice questions to prepare for the class 12 Chemistry board exam? Well, you don't need to worry as we got you covered. This article will help the students to get CBSE Class 12 Chemistry Chapter 1 The Solid State competency-based questions with answer keys. They can look at these practice questions that will help the students learn about the types of questions that can be asked for the exam along with the total weightage. Keep reading the article to know.
CBSE Class 12 Chemistry Chapter 1 Competency-Based Questions With Answer Key 2024-25
| Q.No. | Question | Marks | |||||||||||||||
| Multiple Choice Question | |||||||||||||||||
| Q.1 | The below graph shows the variation of the magnetic property of magnetite (Fe3O4) concerning temperature.
Based on this graph, which of the following represents the alignment of the magnetic moment of Fe3O4 at T >Tc?
| 1 | |||||||||||||||
| Q.2 | Below are two statements labelled Assertion (A) and Reason (R). Assertion (A): Frenkel defect is shown by compounds having a low r+/r- ratio and low dielectric constant. Reason (R): Frenkel defect maintains the neutrality of a crystal. Select the most appropriate answer from the options given below: A. Both A and R are true and R is the correct explanation of A. B. Both A and R are true but R is not the correct explanation of A. C. A is true but R is false. D. A is false but R is true. | 1 | |||||||||||||||
| Q.3 | Which combination of the characteristics of element X, a metal, and Y, a non-metal, is most likely to lead to ionic bonding?
| 1 | |||||||||||||||
| Q.4 | Which of the following combinations is INCORRECT?
| 1 | |||||||||||||||
| Q.5 | Which of the following statements is/are true? (i) A non-stoichiometric compound Fe0.94O is formed when 18% of Fe2+ ions are replaced by Fe3+ ions. (ii) The conductivity of both intrinsic and extrinsic semiconductors is directly proportional to temperature. (iii) The BCC structure is the densest crystal structure. A. i and iii B. ii and iii C. only I D.i and ii | 1 | |||||||||||||||
| Q.No | Answers | Marks |
| Q.1 | A. | 1 |
| Q.2 | D. A is false but R is true. | 1 |
| Q.3 | A. A | 1 |
| Q.4 | C. C | 1 |
| Q.5 | C. only i | 1 |
These are the questions and answers for the first five questions. To get the full question/answer key, we are providing the FREE PDF that the students can download easily. PDF formats are easily accessible for everyone as they help students to download big files easily and keep them in one place in a folder.
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