everyday science MCQ #4080

The chemical formula of washing soda is:

everyday science MCQ #4080

  1. Question 1

    Q1. The chemical formula of washing soda is:

    • A) Na2CO3
    • B) NaHCO3
    • C) Na2SO4·10H2O
    • D) None of these

    Answer: Na2CO3

    Explanation: Na2CO3 is the scientifically accurate choice. The concept tested here is core everyday science for MDCAT, ECAT, and general ability papers.