CBSE Discussions Recent Questions
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(i) Write Any Two Properties Of Ionic Compounds. (ii) Show The Formation Of Aluminium Chloride By The Transfer Of Electrons Between The Atoms.
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Cheshta, A 10th Class Student Was Asked To Identify Iron, Copper, Zinc And Aluminium Only By
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Name An Alloy Which Has Mercury As One Of Its Constituents.
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Name An Alloy That Contains A Non-metal As One Of Its Constituents.
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Can Rusting Of Iron Nail Occur In Distilled Water?
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Name Any Two Alloys Whose Electrical Conductivity Is Less Than That Of Pure Metals.
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What Is Meant By 22 Carat Gold?
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Name Two Metals That Are Obtained By Electrolysis Of Their Chlorides In Molten Form.
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A Green Layer Is Gradually Formed On A Copper Plate When Left Exposed To Air For A Week In A Bathroom. What Could This Green Substance Be?
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What Is Anode Mud?
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Metals Are Refined By Using Different Methods. Which Of The Following Metals Are Refined By Electrolytic Refining? Au, Cu, Na And K
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Why Does Calcium Float In Water?
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Name One Property Which Is Not Shown By Ionic Compounds
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A Piece Of Granulated Zinc Was Dropped Into Copper Sulphate Solution
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Name One Metal Which Reacts Neither With Cold Water, Nor With Hit Water, But Reacts With Steam To Produce Hydrogen Gas
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Name A Solvent In Which Electrovalent Compounds Are Soluble And A Solvent In Which They Are In Soluble.
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How Do Metals And Non-Metals Combine?
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Arrange The Following Metals In The Decreasing Order Of Reactivity Na, K, Cu And Ag.
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Name Two Metals Which React With Dil.HNO3 To Evolve Hydrogen Gas
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Which Of The Following Metals Will Melt At Body Temperature (37°C).
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