AP Inter 2nd Year Chemistry Answer Key 2025: The Andhra Pradesh Board of Intermediate Education (BIEAP) conducted the 2nd year Chemistry exam today, March 15, 2025, from 9 AM to 12 PM. Students can cross-check their answers with the AP Inter 2nd Year Chemistry Answer Key 2025 provided below and calculate their probable scores. It is important to note that the exam was conducted for 60 marks and the AP Inter 2nd year chemistry question paper 2025 was divided into sections A, B, and C. While all questions were necessary to attempt, students were given internal choices.
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AP Inter 2nd Year Chemistry Answer Key 2025
Students can match their responses with the AP Inter 2nd Year Chemistry Unofficial Answer Key 2025. This naswer key is referred from College Dekho.
| Questions | Answers |
| 1. Name two most familiar antioxidants used as food additives | Butylated Hydroxyanisole (BHA) and Butylated Hydroxtolune (BHT) |
| 2. What are Antacids? Give example. | Antacid is a medicine used to neutralise the stomach acid in order to cut down the burn we have during acidity. Stomach produces acid and to nuetrlise it we need a base. Example - Sodium Bicarbonate |
| 3. What is PHBV? How is it useful to man? | PHBV, or Poly(3-hydroxybutyrate-co-3-hydroxyvalerate), is a type of polyhydroxyalkanoate (PHA). it is a biodegradable thermoplastic polyester created by certain bacteria as a form of energy storage. it is used as an alternative to synthetic polymers and is non-toxic in nature. Since. it is biocompatible its is safe for use in the huma bodies. PHBV has application in the medical implants and repairs, controlled release of drugs, orthopedic devices, speciality packaging, and mnufacturing bottles for consumer goods. |
| 4. What are the repeating monomeric units of Nylon-6 and Nylon -6,6? | The repeating numeric of Nylon-6 polymer is NH (CH2 )5 CO, which is derived from caprolactam. The repeting numeric unit of Nylon-6,5 is NH-(CH2)6 -NH-CO-(CH2)4 CO. This indicates that it is formed by the combination of two different monomers. |
| 5. State Roult's Law | Roult's law is the relation of physical chemistry with the implications of thermodynamics. It states that the partial presuure of each component of an ideal mixture of liquids is equal to the vapour pressure of the pure component (liquid and solid) multiplied by its mole fraction in the mixture. |
Students must note that the AP Inter 2nd Year Chemistry Answer Key 2025 is unofficial. It is prepared by the subject experts, and while students can use it to evaluate their performance and calculate their estimated scores, it is crucial to note that it is only for reference purposes.