CBSE Discussions Metals & Non Metals Recent Questions
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E Is An Element Thats Ore Is Rich In
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Alloy Are Homogeneous Mixtures Of A Metal With A Metal Or Non Metal.
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Hydrogen Gas Is Not Widely Used As A Reducing Agent Because
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Which Of The Following Reactions Not Occur?
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A Student Puts One Big Iron Nail Each In Four Test Tubes
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Beakers A, B And C Contain Zinc Sulphate, Silver Nitrate And Iron (ii) Sulphate Solutions Respectively.
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Metal M Reacts With Oxygen To Form Metallic Oxide MO.
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A Metal M Has Electronic Configuration 2,8,3 And Occurs In Earths Crust And Its Oxide M2O3.
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On The Basis Of The Sequence Of The Given Reactions
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A Non-metal A Which Is The Largest Constituent Of Air, When Heated With H2 In 1:3 Ratio In The Presence Of Catalyst (Fe) Gives A Gas B.
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(i) An Ore, On Heating In Air, Give Sulphur Dioxide Gas. (ii) State Which Of The Following Reactions Will Take Place Or Which Will Not
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List Three Properties Of Sodium In Which It Differs From The General Physical Properties Of Most Of The Metals
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A Solution Of CuSO4 Was Kept In An Iron Pot. After Few Days, The Iron Pot Was Found To Have A Number Of Holes In It
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Write The Equations For The Reactions Of
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Zn Is More Electropositive Than Fe. Therefore, It Should Get Corroded Faster Than Fe.
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Answer The Following: (i) Name A Metal (ii) What Is The Nature (iii) What Is Deposited At The (iv) Will Carbon Monoxide
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For The Reduction Of Metal Oxide To Metal, Suggest A Reducing Agent Cheaper Than Aluminium.
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Name The Process Used For The Concentration Of The Sulphide Ore.
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Name One Metal And One Non-metal Which Are Obtained On A Large Scale From Sea Water.
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Which Of The Following Elements Is A Metal?
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Assertion : When Lead Vessel Is Kept In A Solution Of Reason : Lead Is More Electropositive Than Zinc.
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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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