Cleaning Coins Experiment
Today we were learning about acids. We used mustard, lemon juice, vinegar and baking soda and water and washing up liquid to see whick one would clean a five cent coin best. Ketchup worked the best.
Today we were learning about acids. We used mustard, lemon juice, vinegar and baking soda and water and washing up liquid to see whick one would clean a five cent coin best. Ketchup worked the best.