1. Environmental Degradation: Overuse of natural resources, pollution, and deforestation harm the environment.
2. Climate Change: Rising global temperatures and extreme weather conditions threaten ecosystems and human life
What are alloys? How is ‘Brass’ (an alloy) prepared?
(I) How does electrical conductivity and melting point of a metal change when it is converted to its alloy by mixing a small amount of an element in it?