Study Chapter Details

NCERT Book Class 7 Science in Hindi – The World of Metals and Non-Metals

The chapter "The World of Metals and Non-Metals" in the NCERT Class 7 Science Book (Hindi Medium) introduces students to the different properties and uses of metals and non-metals. It explains how metals are generally lustrous, malleable, ductile, and good conductors of heat and electricity, while non-metals are usually brittle, non-lustrous, and poor conductors.



Students learn about common metals like iron, copper, and aluminum, and non-metals like sulfur, oxygen, and carbon, along with their daily applications in tools, household items, industry, and technology. The chapter also discusses chemical reactions of metals and non-metals, helping students understand how these substances interact with acids, bases, and water.

Written in simple Hindi, this chapter encourages students to observe, experiment, and understand the role of metals and non-metals in everyday life and the environment.