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 two important categories of elements — metals and non-metals. It explains their physical and chemical properties, such as appearance, hardness, conductivity, malleability, and reactivity, in a clear and easy-to-understand manner.
Students learn how metals like iron, copper, aluminium, and gold are used in tools, machines, and electrical wires, while non-metals like oxygen, carbon, and sulfur play vital roles in life processes and the environment. The chapter also explains simple reactions of metals and non-metals with air, water, and acids, along with everyday examples.
Written in simple Hindi, this chapter helps students understand how metals and non-metals are part of our daily lives and why they are important for industry, health, and technology.
