CHEMISTRY ⚗️🧪 PART 1 (ADRE)
CHEMISTRY MCQ PART 1 Here are 20 multiple-choice questions (MCQs) on chemistry with explanations for each answer: 1. **What is the atomic number of carbon?** A) 6 B) 8 C) 12 D) 14 **Answer: A) 6** Explanation: The atomic number represents the number of protons in an atom. Carbon has 6 protons. 2. ***What gas is often referred to as "laughing gas"? A) Nitrous oxide B) Carbon dioxide C) Helium D) Methane **Answer: A) Nitrous oxide** Explanation: Nitrous oxide, \( N_2O \), is commonly known as laughing gas due to its euphoric effects when inhaled. 3. **What type of bond is formed when electrons are shared between atoms?** A) Ionic bond B) Covalent bond C) Metallic bond D) Hydrogen bond **A...