NECO Chemistry Past Questions And Answers

Preparing for the National Examination Council (NECO) Chemistry exam requires familiarity with past questions. Past questions provide valuable insight into the exam’s format and help identify weak areas. In this blog, we’ll comprehensively explore how to access NECO Chemistry past questions, effectively use them for preparation, and address common queries.

How to Find NECO Chemistry Past Questions:

  1. Bookstores: You can purchase past question books from bookstores that cover NECO Chemistry.
  2. NECO Website: Access past questions in PDF format on the official NECO website. Look for the section dedicated to past questions for various subjects.

Using NECO Chemistry Past Questions for Preparation:

  1. Familiarization: Begin by reading through the past questions to understand the question types and topics.
  2. Question Types: Pay attention to the different question types, including multiple choice, fill in the blank, and essay questions.
  3. Understanding Answers: Ensure you comprehend the provided answers. Research further if any answer is unclear.
  4. Practice: Practice answering the questions to adapt to the exam format and improve time management.

Sample NECO Chemistry Past Questions and Answers:

  1. Activation energy refers to: A) Activation energy B) Bond energy C) Kinetic energy D) Potential energy Answer: A) Activation energy
  2. The bond formed between H2O and H+ to form H3O+ is: A) Dative B) Covalent C) Electrovalent D) Ionic Answer: B) Covalent
  3. An element XX forms oxides X2O, XO, and XO2. This illustrates the law of: A) Conservation of mass B) Definite proportion C) Mass action D) Multiple proportion Answer: D) Multiple proportion


  1. Where can I find NECO Chemistry past questions? You can find them at bookstores or download them from the official NECO website in PDF format.
  2. How do I use NECO Chemistry past questions to prepare for the exam? Start by familiarizing yourself with the questions, understanding answer explanations, and practicing to improve your skills.
  3. What are the different question types on the NECO Chemistry exam? The exam includes multiple choice, fill in the blank, and essay questions.
  4. What is the best way to study for the NECO Chemistry exam? Utilize past questions for practice, understand concepts thoroughly, and seek additional resources if needed.


NECO Chemistry past questions are indispensable tools for exam preparation. They offer insight into question types, topics, and aid in improving your performance. By following the outlined steps and practicing diligently, you’ll be well-equipped to excel in your NECO Chemistry exam.