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Assertion : Hydrogen Is Not A Metal But It Has Been Reason : Hydrogen Has A Tendency To Lose Electron
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An Electrolytic Cell Consist Of
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Which One Of The Following Four Metals Would Be Displaced From The Solution Of Its Salts By Other Three Metals?
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An Element A Is Soft And Can Be Cut With A Knife.
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(i) Write The Steps Involved In The Extraction Of Pure (ii) How Is Copper Extracted From Its Sulphide Ore?
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In What Forms Are Metals Found In Nature? With The Help Of Examples,
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(i) Give Differences Between Roasting (ii) Explain How The Following Metals Are Obtained From Their Compounds By The Reduction Process.
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Choose From The Following Metals To Answer The Questions Below:
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(i) Given Below Are The Steps For Extraction (ii) Draw A Neat And Well Labelled Diagram Or How Is Copper Obtained From Its Ore (Cu2S)?
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(i) Predict The Reaction, If Any, Between (ii) A Lump Of Element X Can Be Cut By A Knife.
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A Metal A, Which Is Used In Thermite Process, When Heated With Oxygen Gives An Oxide B, Which Is Amphoteric In Nature
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State The Property Utilised In The Following:
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Explain The Process Of Electrolytic Refining For Copper With The Help Of A Labelled Diagram.
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Hydrogen Is Not A Metal But It Has Been Assigned A Place In The Reactivity Series Of Metals. Explain.
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What Happens When
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Why Sodium Forms Sodium Hydroxide When React With Water Whereas Aluminium Forms Only Aluminium Oxide?
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What Is Meant By Electrolytic Reduction?
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Two Ores A And B Were Taken. On Heating,
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An Ore On Heating In Air Produces Sulphur Dioxide
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Account For The Following: (i) Electrical Wires Are Coated (ii) Carbon Is Not Uses For Reducing
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A Metal Acts As A Good Reducing Agent. It Reduces Fe2O3 And MnO2
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Compound X And Aluminium Are Used To Join Railway Tracks
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State Which Of The Following Chemical Reactions Will Take Place Or Which Will Not, Giving Suitable Reason For Each?
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P, Q And R Are 3 Elements Which Undergo Chemical Reactions According To The Following Equations
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