CBSE Discussions Chemical Reactions & Equations Recent Questions
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Which Among The Following Statement(s) Is/are True? Exposure Of Silver Chloride To Sunlight For A Long Duration Turns Grey Due To
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A Metal M Reacts With An According To The Equation.
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When Dilute Sulphuric Acid Is Added To Pieces Of Iron Sulphide
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A Reddish Brown Coloured Metal Used In Electric Wires, When Powdered And Heated Strongly In An Open China Dish, Its Colour Turns Black.
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A Powder Salt (x) In A Dry Test Tube Was Heated That Evolves Brown Fumes Of Nitrogen Dioxide
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Ethane (C2H6) On Complete Combustion Gave CO2 And Water
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Which One Of The Following Involve A Chemical Reaction?
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A Water Insoluble Substance X On Reaction With Dilute Hydrochloric Acid Released A Colourless And Odourless Gas Accompanied By Brisk Effervescence
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With The Help Of An Activity, Demonstrate How Do We Know That A Chemical Reaction Has Taken Place?
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What Is Redox Reaction? Identify The Substance Oxidised And The Substance Reduced In The Following Reactions
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Complete The Missing Components/variables Given As Reactant And Product In The Following Reactions
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What Is The Difference Between Skeletal Equation And Balanced Chemical Equation? Give Example
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Silver Article Gets Black Coating. Name The Phenomenon.
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Which Kind Of Chemical Reaction Takes Place When Electric Current Is Passed Through Fused Lead Bromide?
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Give An Example Of A Reaction Which Is Double Displacement Reaction As Well As Precipitation Reaction?
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What Is Breaking And Making Of Bonds In Chemical Reaction Called?
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Assertion : 2Na + H2 -> 2NaH In The Above Chemical Equal, Reason : The Chemical Reaction In Which Oxidation And Reduction Take Place Simultaneously
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Which Of The Following Is Not A Combination Reaction?
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In The Double Displacement Reaction Between Aqueous Potassium And Aqueous Lead Nitrate, A Yellow Precipitate Of Lead Iodide Is Formed.
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There Are Different Types Of Chemical Reactions Occuring Around Us Or Being Carried Out For The Benefit Of Mankind,
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