The Andhra Pradesh (AP) Inter 1st Year Chemistry exam is scheduled for March 13, 2025. To help students prepare effectively, we have compiled a guess paper based on an analysis of previous years’ question patterns. This paper will provide a solid foundation, helping students understand the exam format, important topics, and mark distribution.

Why Use the AP Inter 1st Year Chemistry Guess Paper 2025?

Time is limited before the exam, and utilizing this guess paper can help students revise efficiently. It covers vital questions from different sections, enabling candidates to focus on the most relevant topics. Reviewing these questions will improve understanding and increase confidence for the upcoming examination.

Exam Pattern for AP Inter 1st Year Chemistry

The Chemistry theory paper consists of 80 marks and is divided into three sections:

• Section A: Very Short Answer Type Questions
• Section B: Short Answer Type Questions
• Section C: Long Answer Type Questions

Below is the section-wise AP Inter 1st Year Chemistry Guess Paper 2025:

Section A: Very Short Answer Type Questions (2 Marks Each)

1. Give the values of gas constant in different units.
2. What are intensive and extensive properties?
3. State the first law of thermodynamics.
4. What is the relation between Cp and Cv?
5. Mention the advantages of some UV rays to us.
6. Define TLV and Sink.
7. What is Lewis acid? Give one example.
8. What is Biochemical Oxygen Demand (BOD)?

Section B: Short Answer Type Questions (4 Marks Each)

1. State and explain Graham’s Law of Diffusion.
2. Write about Zeolites and Fullerene.
3. Explain the structure of diborane.
4. What is a hydrogen bond? Write about different types of hydrogen bonds.
5. Explain the formation of a Coordinate Covalent bond with an example.
6. Derive:
   • a) Charles’ Law
   • b) Dalton’s Law from the Kinetic Gas Equation.
7. What is Le Chatelier’s principle? Discuss its application in the industrial synthesis of ammonia.

Section C: Long Answer Type Questions (8 Marks Each)

1. Write an essay on s, p, d, and f block elements.
2. What are the postulates of Bohr’s model of the hydrogen atom? Discuss its importance in explaining various spectral series of the hydrogen atom.
3. Describe two methods of preparation of ethylene.
4. Give the reaction equations of ethylene with:
   • Ozone
   • Heated with O2 at high pressure

Tips to Score High in AP Inter 1st Year Chemistry Exam 2025

• Understand the Concepts: Focus on understanding the fundamental concepts rather than rote memorization.
• Practice Regularly: Solve previous year’s question papers to get familiar with the exam pattern.
• Revise Thoroughly: Revise important formulas, reactions, and laws regularly.
• Time Management: Allocate specific time for each section while practicing to enhance speed and accuracy.
• Use Mnemonics: For complex chemical reactions and periodic table elements, use memory techniques for better recall.

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Final Thoughts

By following this AP Inter 1st Year Chemistry Guess Paper 2025, students can maximize their chances of scoring well in the exam. This guess paper provides a structured approach, covering the most expected questions and ensuring effective revision. Best of luck with your preparation!

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