Metals and Non-metals

CBSE Class 10 Science · every board question from this chapter, 2025–2025 · 18 of them repeated across years

• A metal, M, displaces iron from aqueous solution of ferrous sulphate but fails to do so in case of aqueous solution of aluminium…2025asked 3×
• The products formed when Aluminium and Magnesium are burnt in the presence of air respectively are:2025asked 3×
• A few pieces of granulated zinc are taken in a test tube and 2 mL of sodium hydroxide solution is added to it. When the contents…2025
• Which one of the following metals is protected from corrosion by a layer of its own oxide?2025
• The property by virtue of which a solid material can be drawn into thin wires is called:2025asked 2×
• The most common method of extraction of metals from their oxide ores is:2025asked 2×
• A metal, 'X', on treatment with sodium hydroxide liberates a gas 'G'. It also liberates the same gas, 'G' on treatment with…2025asked 3×
• Study the following cases: (i) CuSO 4+Mg → (ii) FeSO 4+Pb → (iii) CaSO 4+Al → (iv) ZnSO 4+Ca → The case/cases in which new…2025
• Aluminium powder is used in thermit welding because:2025asked 3×
• Two metals zinc and tin are dissolved separately in definite proportions in molten copper (the primary metal) to obtain two…2025asked 3×
• Reaction between two elements A and B, forms a compound C. A loses electrons and B gains electrons. Which one of the following…2025asked 3×
• During electrolytic refining of copper, the anode, the cathode and the electrolyte used respectively are2025asked 3×
• The metals obtained from their molten chlorides by the process of electrolytic reduction are:2025asked 3×
• The formation of magnesium oxide is correctly shown in option:2025asked 2×
• Assertion: Ductility is that property of metals which enables copper to be used in making cooking utensils. Reason (R): Copper is…2025
• Assertion: The metals high up in the reactivity series cannot be obtained from their compounds by heating with carbon. Reason…2025
• Assertion: Brass is prepared by first melting copper and then dissolving tin into it in a definite proportion. Reason (R): The…2025
• Cinnabar is an ore of a metal 'X'. When this ore is heated in air, it is first converted into oxide of 'X' (XO) and then reduced…2025
• A light green coloured solution of sulphate salt of metal 'P' is taken in a beaker, a rod of another metal "Q" is put in this…2025
• Name a metal found in the earth's crust (i) in free state and (ii) in the form of its compound. State where each of these metals…2025
• In common practice silver is recovered from silver nitrate solution by the use of copper metal. Name the type of reaction that…2025asked 2×
• Show the formation of magnesium chloride by electron transfer. Write the name of the cation and anion present in the compound…2025asked 2×
• "Displacement reactions also play a key role in extracting metals in the middle of the reactivity series." Justify this statement…2025asked 3×
• What is a reactivity series of elements? How is it developed? Arrange the following elements as they are arranged in the…2025
• Two substances 'A' and 'B' are burnt in air separately. For 'A', ashes are collected and dissolved in water to get solution 'X',…2025
• Study the experimental set-up given in the figure and answer the following questions: Identify these metals from the following…2025
• Name and describe the most widely used method for refining impure metals?2025
• Design an activity to show that metals are good conductors of heat and have high melting points.2025
• Samples of four metals A, B, C and D were added one by one to the following solutions. The results obtained were tabulated as…2025
• With the help of an activity, explain the conditions under which iron articles get rusted. OR (i) Name two metals which react…2025asked 3×
• Write the electron-dot structures of (i) sodium, and (ii) oxygen. Using these structures, show the formation of sodium oxide.…2025
• Observe the following diagram showing an experiment to determine the conditions under which a metal ' M ' corrodes. List your…2025asked 3×
• (i) Consider the following metals: K, Ca, Al, Cu, Ag, Fe Select from the above metals, a metal which I. does not react with…2025asked 3×
• Many pure metals like copper, iron and gold are very soft and as such are considered unsuitable for certain uses. Metallic…2025asked 3×

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