Kerala +2 Chemistry Question Paper 2025 and Answer Key, Download PDF

Kerala +2 Chemistry Exam 2025: The Kerala Plus Two Chemistry Exam 2025 was held as per the schedule set by the Directorate of Higher Secondary Education (DHSE), Kerala. This exam is a crucial milestone for Class 12 students, as it plays a significant role in shaping their higher education prospects. The paper tested students' understanding of core Chemistry concepts. 

A thorough analysis of the question paper reveals a well-structured exam that adhered to the prescribed syllabus and blueprint. Students who had a strong conceptual grasp and practiced numericals regularly found the paper manageable. With the release of the official question paper and answer key, students can now review their responses and estimate their scores, aiding in better preparation for future competitive exams.

Kerala Plus Two Chemistry Exam 2025 Question Paper

Students can check the Kerala Plus Two Chemistry Exam 2025 Question Paper here.

Kerala Plus Two Chemistry Exam 2025 Answer Key 2025

Now that the paper is over, students might be waiting for the answer key. The answer key helps the students to estimate their total score. Students can check the answers by subject experts below:

1. Dissolution of a gas in liquid is a process
   
   
• Answer: (c) with decrease in enthalpy
  (Explanation: Dissolution of a gas in a liquid is an exothermic process because gas molecules lose energy when they enter the liquid phase.)
2. The order of the reaction is
   
   
• Answer: First-order reaction
  (Explanation: A straight-line graph of concentration vs. time suggests a first-order reaction where the rate depends on the concentration of one reactant.)
3. The transition element present in ‘bronze’ is
   
   
• Answer: Copper (Cu)
  (Explanation: Bronze is an alloy primarily composed of copper and tin.)
4. Identify the product formed by the catalytic reduction of propanal.
   
   
• Answer: Propanol
   
5. The zwitterion of the amino acid, H₂N-CH₂-COOH is
   
   
• Answer: H₃N⁺-CH₂-COO⁻
  (Explanation: A zwitterion is a molecule with both a positive and a negative charge, commonly found in amino acids at physiological pH.)

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