Metals and Non-metals from NCERT Class X Science compares the physical and chemical properties of metals and non-metals, explains the reactivity series, and covers ionic compounds, the occurrence and extraction of metals, refining, and the prevention of corrosion. These free MCQ practice tests help you remember reactions, properties and examples, and apply the reactivity series confidently, exactly what CBSE board exam questions demand. Each short test is timed, scored instantly and followed by a complete answer review, so you can revise the chapter as often as you need.