11/06/2026
Science Activity: Invisible Ink 🧪✨
Explanation:
Is activity me lemon juice ke zariye ek page par likha jata hai jo shuru me nazar nahi aata. Jab is paper ko heat diya jata hai to likhe hue words brown color me visible ho jate hain. Yeh is liye hota hai kyun ke lemon juice me organic (carbon-based) compounds hotay hain jo heat milne par oxidize ho kar brown color show karte hain.