Metals and Non-metals
5 solved questions from Class 10 Science, each with the full working. Tap any question to see the step-by-step solution.
- 1 Which metal is known for forming a thin, adherent oxide layer that protects it from further corrosion, and is therefore widely used to make stainless steel? hard MCQ 2 marks Passivation of metals
- 2 Which of the following is a characteristic physical property of metals? easy MCQ 1 mark Physical properties of metals
- 3 Describe the process of extracting iron from its ore in a blast furnace. Include the role of coke, limestone and the chemical reactions involved. medium 3 marks Extraction of iron
- 4 A rectangular bar of an unknown metal has length 40.0 cm, breadth 2.0 cm, height 1.5 cm and mass 540 g. Calculate its density and comment whether the metal could be copper (density = 8.96 g/cm³). medium 2 marks Density calculation of metals
- 5 State any two important uses of aluminium in daily life. easy 1 mark Uses of aluminium