Reaction of aluminium and hydrochloric acid

🧠 on Instagram: "The iodine clock reaction, discovered by Hans Heinrich Landolt in 1886, is a classic experiment that vividly demonstrates chemical kinetics. It involves a sudden color change from colorless to blue, illustrating the concept of reaction rates. This reaction occurs when two clear solutions are mixed, with one stage of the reaction taking longer, leading to a delayed color change. Widely used in classrooms, the iodine clock reaction offers a hands-on way to explore the factors inf

Purely History on Instagram: "Traditional hand-drawn animation was a painstaking process that required extraordinary patience and skill. Every single frame had to be drawn by hand, then transferred onto transparent celluloid sheets known as cels. Artists would carefully paint the characters on the front and back of these cels to ensure vibrant colors and clean lines. The finished cels were then layered over static, hand-painted backgrounds and photographed one frame at a time. With 24 frames nee