issb general knowledge MCQ #185

What is the chemical formula of water?

issb general knowledge MCQ #185

  1. Question 1

    Q1. What is the chemical formula of water?

    • A) CO2
    • B) H2O
    • C) O2
    • D) NaCl

    Answer: H2O

    Explanation: Water is H2O, two hydrogen atoms and one oxygen atom. This fact often appears in ISSB academic and general knowledge sections.