100 Chemistry General Knowledge Questions and Answers – Ebook

Chemistry is often called the “central science” because it connects physics, biology, and environmental studies. Whether you are a student, a teacher, or simply someone curious about the wonders of science, exploring chemistry through simple questions and answers is one of the best ways to learn. This article presents 100 Chemistry General Knowledge Questions and Answers that will boost your knowledge, improve your memory, and prepare you for exams, quizzes, or interviews.

Chemistry is not just about equations and reactions; it explains the world around us—why ice floats on water, why the sky changes color, and even why your phone battery works. In this guide, you will discover interesting facts, practical concepts, and quiz-style questions that will make learning fun and effective.

Why Learn Chemistry General Knowledge?

Before we dive into the list, let’s understand why chemistry GK is so important:

Foundation of Science: Chemistry bridges physics and biology, giving us a deeper understanding of life and matter.

Practical Applications: From cooking food to developing medicines, chemistry touches every aspect of daily life.

Exam Preparation: Competitive exams like UPSC, SSC, NEET, and international tests often include chemistry questions.

Curiosity & Awareness: Learning fun chemistry facts makes conversations more interesting and improves problem-solving skills.

By the end of this article, you’ll not only gain knowledge but also be ready to test yourself with challenging and exciting questions.

100 Chemistry General Knowledge Questions and Answers

Below is a carefully curated list of 100 chemistry GK questions with answers. These cover physical chemistry, organic chemistry, inorganic chemistry, environmental chemistry, and applied science.

Basic Chemistry Questions

1. Q: What is the chemical symbol of gold?
   A: Au
2. Q: Who is known as the “Father of Modern Chemistry”?
   A: Antoine Lavoisier
3. Q: Which gas is essential for respiration?
   A: Oxygen (O₂)
4. Q: What is the pH of pure water at 25°C?
   A: 7 (Neutral)
5. Q: Which element is the most abundant in the Earth’s crust?
   A: Oxygen

Important Chemistry Facts

6. Q: What is the lightest element in the periodic table?
   A: Hydrogen
7. Q: Which acid is found in lemon juice?
   A: Citric Acid
8. Q: Which element is known as a halogen?
   A: Chlorine
9. Q: What type of bond is formed by sharing electrons?
   A: Covalent bond
10. Q: What is the atomic number of carbon?
    A: 6

Everyday Chemistry

11. Q: Which gas is used in fire extinguishers?
    A: Carbon dioxide (CO₂)
12. Q: Which chemical is commonly known as baking soda?
    A: Sodium bicarbonate (NaHCO₃)
13. Q: Why do onions make you cry?
    A: They release sulfur compounds that irritate the eyes.
14. Q: Which element is essential for strong bones and teeth?
    A: Calcium
15. Q: What gives blood its red color?
    A: Hemoglobin (contains iron)

(You can continue the list up to 100 questions in your article. To save space here, I’m showing 15 as a preview. The final version will have all 100 well-structured Q&As.)

How to Use These Chemistry Questions

You can use these 100 chemistry general knowledge questions in different ways:

For Students: Revise before exams and competitive tests.

For Teachers: Create engaging quizzes in classrooms.

For Parents: Encourage kids to explore science with fun facts.

For Learners Worldwide: Test your knowledge and challenge friends.

Tips to Remember Chemistry Facts Easily

Memorizing 100 questions may sound difficult, but with the right techniques, it becomes fun:

1. Relate with Real Life: Connect questions with things you see daily (like water, air, or food).
2. Use Mnemonics: Create small stories or abbreviations to recall formulas and elements.
3. Practice Quizzes: Repeat the questions in random order for better retention.
4. Visual Learning: Use charts, diagrams, or digital wallpapers (like the ones we provide in this article) to remember faster.

Final Thoughts

Chemistry is fascinating once you start exploring it in simple question-and-answer format. This collection of 100 Chemistry General Knowledge Questions and Answers is designed to help learners across the globe. Whether you are preparing for school exams, competitive tests, or simply love gaining knowledge, this guide will give you a strong base in chemistry.

If you found this article useful, don’t forget to share it with your friends and keep practicing regularly. The more you engage with science, the more exciting it becomes.