1000 Chemistry Questions And Answers Pdf Apr 2026

... (continue to 800) Q801. What does a catalyst do? A801. Speeds up reaction without being consumed

Who proposed the planetary model of the atom? A2. Ernest Rutherford

... (continue to 100) Q101. What is the most electronegative element? A101. Fluorine 1000 Chemistry Questions And Answers Pdf

What is the charge of a proton? A3. +1 (positive)

... (continue to 400) Q401. What is the pH of pure water? A401. 7 Ernest Rutherford

What is an isotope? A5. Atoms of the same element with different numbers of neutrons

Comprehensive Question Bank for Students & Teachers SECTION 1: ATOMIC STRUCTURE (Questions 1–100) Q1. What is the atomic number of carbon? A1. 6 In electron shells/orbitals around the nucleus

... (continue to 300) Q301. Balance: H₂ + O₂ → H₂O A301. 2H₂ + O₂ → 2H₂O

... (continue to 900) Q901. What is the main greenhouse gas? A901. Carbon dioxide (CO₂)

Where are electrons located in an atom? A4. In electron shells/orbitals around the nucleus