Multiple choice general knowledge science & technology

The chemical formulae of washing soda and baking soda are correspondingly:

  1. NaHCO3 and Na2CO3

  2. NaHCO2 and Na2CO2

  3. Na2CO3 and NaHCO3

  4. Na2CO2 and NaHCO2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Washing soda is sodium carbonate decahydrate (Na2CO3·10H2O) written as Na2CO3. Baking soda is sodium bicarbonate (NaHCO3). The formulas are correctly matched in option C with washing soda first and baking soda second.

Keep practicing — related questions