Baking Soda And Vinegar
While the byproducts of baking soda and vinegar aren’t necessarily harmful, since it’s only water, sodium acetate, and carbon dioxide, it’s not safe, either. According to Vy Dong Ph.D., a professor at the University of California, when combining the two “carbon dioxide is a gas, and having this reaction occur in a sealed container can cause a small explosion as carbon dioxide tries to escape.” You might have your very own erupting volcano in your home (Insider).