Place the coin on an even surface, slowly drop water on top of the coin, observe how the drops of water stick together to form a larger drop, and keep adding drops until the big dome breaks and spills off the coin.
Polarity of water and its demonstration with oil and food coloringThe soap, water, and oil start to mingle. This happens due to the interaction between the soap molecules and the oil molecules.
pH measurement and its importance in biochemistrypH meter, Bleach (Chlorox), Milk, Egg white, Vinegar, Coke, Pepsi, Coffee, Tea, Calamansi Juice, Shampoo, Soap Solution, Detergent solution, Rubbing alcohol, Hydrogen peroxide, Baking soda solution, 15 beakers, Concentrated NaOH, Concentrated HCl.