Want to experience chemistry at home? In this article, we will introduce you to three fun experiments and hacks that will make it easy for you to explore the amazing world of chemistry.

The Amazing Reaction of Eggshells with Acid

All you need is a small glass, washed broken eggshells and vinegar essence (acetic acid is the main ingredient), covered with a sheet of glass dipped in clarified limewater. Observe the phenomenon and hypothesize about the mysterious substance in the eggshells accordingly.

Simple homemade soda tutorial

In a 500mL beverage bottle, add 2 spoons of sugar and an appropriate amount of fruit juice, followed by 1.5g of baking soda and 1.5g of citric acid, fill with cool boiled water and then quickly seal the cap tightly. Shake well and put in the refrigerator, half an hour later you can enjoy the sweet and tasty soda!

The mystery of the secret letter of the onion juice

Take two onions, remove the leaves, squeeze out the onion juice with force, and write on white paper after dipping the brush. When the onion juice dries, the writing disappears. But when you put the paper on the candle flame baking, the brown handwriting will magically appear. It turns out that the onion juice can make the paper undergo a chemical change, forming a special transparent film, so that the handwriting in specific conditions. In addition to onion juice, lemon juice, garlic juice, onion juice and vinegar have the same effect!