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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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Zinc Oxide Reacts With Carbon, On Heating To Form Zinc Metal And Carbon Monoxide.

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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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Which Product Is Formed When Carbon Dioxide And Water React In The Same Ratio?

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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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Assertion : The Following Chemical Equation Is An Example Of Thermal Decomposition Reaction Reason : Heat Gets Released In The Decomposition Reactions

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Which Among The Following Is Getting Reduced In The Following Reaction?

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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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The Following Reaction Is Used For The Preparation Of Oxygen Gas In The Laboratory

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In Which Of The Following Chemical Equations, The Abbreviations Represent The Correct States Of The Reactants And Products Involved At Reaction Temperature?

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You Are Provided With Two Containers Made Up Of Copper And Aluminium.

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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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Define Rancidity. What Kind Of Substances Are Used To Prevent Rancidity?

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(i) Identify The Type Of Reactions Taking Place In Each Of The Following Cases And Write The Balanced Chemical Equations For The Reactions (ii) What Happens When Hydrogen Gas Is Passed Over The Heated

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Identify The Type Of Chemical Reaction Taking Place In Each Of The Following

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Assertion : Photosynthesis Is Considered As An Endothermic Reaction. Reason : Energy Gets Released In The Process Of Photosynthesis.

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Assertion : Quicklime Reacts Vigorously With Water Releasing A Large Amount Of Heat Reason The Above Chemical Reaction Is An Exothermic Reaction

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Assertion : In The Following Chemical Equation, CuO(s) + Zn (s) -> ZnO(s) + Cu(s) Reason : The Process In Which Oxygen Is Added To A Substance Is Called Oxidation

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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.

A Powder Salt (x) In A Dry Test Tube Was Heated That Evolves Brown Fumes Of Nitrogen Dioxide

Ethane (C2H6) On Complete Combustion Gave CO2 And Water

Which One Of The Following Involve A Chemical Reaction?

A Water Insoluble Substance X On Reaction With Dilute Hydrochloric Acid Released A Colourless And Odourless Gas Accompanied By Brisk Effervescence

With The Help Of An Activity, Demonstrate How Do We Know That A Chemical Reaction Has Taken Place?

Zinc Oxide Reacts With Carbon, On Heating To Form Zinc Metal And Carbon Monoxide.

What Is Redox Reaction? Identify The Substance Oxidised And The Substance Reduced In The Following Reactions

Complete The Missing Components/variables Given As Reactant And Product In The Following Reactions

What Is The Difference Between Skeletal Equation And Balanced Chemical Equation? Give Example

Silver Article Gets Black Coating. Name The Phenomenon.

Which Kind Of Chemical Reaction Takes Place When Electric Current Is Passed Through Fused Lead Bromide?

Give An Example Of A Reaction Which Is Double Displacement Reaction As Well As Precipitation Reaction?

Which Product Is Formed When Carbon Dioxide And Water React In The Same Ratio?

What Is Breaking And Making Of Bonds In Chemical Reaction Called?

Assertion : 2Na + H2 -> 2NaH In The Above Chemical Equal, Reason : The Chemical Reaction In Which Oxidation And Reduction Take Place Simultaneously

Assertion : The Following Chemical Equation Is An Example Of Thermal Decomposition Reaction Reason : Heat Gets Released In The Decomposition Reactions

Which Among The Following Is Getting Reduced In The Following Reaction?

Which Of The Following Is Not A Combination Reaction?

In The Double Displacement Reaction Between Aqueous Potassium And Aqueous Lead Nitrate, A Yellow Precipitate Of Lead Iodide Is Formed.

The Following Reaction Is Used For The Preparation Of Oxygen Gas In The Laboratory

In Which Of The Following Chemical Equations, The Abbreviations Represent The Correct States Of The Reactants And Products Involved At Reaction Temperature?

You Are Provided With Two Containers Made Up Of Copper And Aluminium.

There Are Different Types Of Chemical Reactions Occuring Around Us Or Being Carried Out For The Benefit Of Mankind,

Define Rancidity. What Kind Of Substances Are Used To Prevent Rancidity?

(i) Identify The Type Of Reactions Taking Place In Each Of The Following Cases And Write The Balanced Chemical Equations For The Reactions (ii) What Happens When Hydrogen Gas Is Passed Over The Heated

Identify The Type Of Chemical Reaction Taking Place In Each Of The Following

Assertion : Photosynthesis Is Considered As An Endothermic Reaction. Reason : Energy Gets Released In The Process Of Photosynthesis.

Assertion : Quicklime Reacts Vigorously With Water Releasing A Large Amount Of Heat Reason The Above Chemical Reaction Is An Exothermic Reaction

Assertion : In The Following Chemical Equation, CuO(s) + Zn (s) -> ZnO(s) + Cu(s) Reason : The Process In Which Oxygen Is Added To A Substance Is Called Oxidation

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