CBSE Class 12 Chemistry Exam 2025 Most Repeated Questions
After analyzing previous years' question papers, the most repeated questions from Chemistry for CBSE Class 12 Chemistry exam 2025 are provided below.
CBSE Class 12 Chemistry Exam 2025 Most Repeated Questions: Candidates preparing for the CBSE Class 12 Chemistry Exam 2025 can benefit from reviewing frequently asked questions. Mastering these can boost confidence and scores, as they often focus on key topics like Atomic Structure, Chemical Bonding, Thermodynamics, Electrochemistry, and Organic Chemistry. Practicing these questions helps reinforce fundamental concepts, improve problem-solving skills, and apply theoretical knowledge effectively. Additionally, knowing the most repeated questions aids in effective time management during the exam. Overall, this approach is invaluable for optimizing preparation and achieving success in the Chemistry exam.
CBSE Class 12 Chemistry Exam 2025 Most Repeated Questions
Check out the most repeated 10 subjective and objective questions from Chemistry for CBSE Class 12 Chemistry Exam 2025 here:
Question Number | Question |
1 | What is the difference between physical and chemical changes? |
2 | Explain the concept of equilibrium in chemical reactions. |
3 | What happens to the size of atoms in p-block elements when we move from left to right in the same period? a) Size does not change b) Size increases then decreases c) Size increases d) Size decreases |
4 | Describe the concept of hybridization and its types. |
5 | What is the difference between ionic and covalent bonds? |
6 | Explain the significance of the periodic table trends, such as atomic radius and electronegativity. |
7 | What are isomers? Differentiate between structural and stereoisomers. |
8 | Define pH and its significance in chemistry. |
9 | What are the different types of chemical reactions? Provide examples. What is the role of catalysts in chemical reactions? |
10 | A Lewis acid is a species that has the ability to receive an electron pair. Lewis acids are all cations. It is a Lewis acid because the core atom of a coordination complex is metal and always accepts electrons. 2. Which of the following has a coordination number as a feature? a) Coordination entity b) Ligand c) Central atom d) Coordination compound |
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