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5 Years Ago

Name Two Metals That Are Obtained By Electrolysis Of Their Chlorides In Molten Form.

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Amirul Hassan 5 Years Ago

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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Jeet 5 Years Ago

What Is Anode Mud?

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5 Years Ago

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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5 Years Ago

Why Does Calcium Float In Water?

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5 Years Ago

Name One Property Which Is Not Shown By Ionic Compounds

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5 Years Ago

Show The Formation Of MgO By The Transfer Of Electrons In The Two Elements Using Electron Dot Structures. Or Atomic Number Of Mg Is 12 Or Using The Electronic Configurations

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Show The Electron Transfer In The Formation Of MgCL2 From Its Elements.

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5 Years Ago

A Cleaned Aluminium Foil Was Placed In An Aqueous Solution Of Zinc Sulphate

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5 Years Ago

A Piece Of Granulated Zinc Was Dropped Into Copper Sulphate Solution

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5 Years Ago

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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5 Years Ago

Name A Solvent In Which Electrovalent Compounds Are Soluble And A Solvent In Which They Are In Soluble.

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5 Years Ago

How Do Metals And Non-Metals Combine?

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5 Years Ago

Why Is Tungsten Metal Selected For Making Filaments Of Incandescent Lamp Bulbs?

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5 Years Ago

Although Metals Form Basic Oxides, Name One Metal Which Forms An Amphoteric Oxides

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5 Years Ago

Arrange The Following Metals In The Decreasing Order Of Reactivity Na, K, Cu And Ag.

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5 Years Ago

Name Two Metals Which React With Dil.HNO3 To Evolve Hydrogen Gas

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5 Years Ago

Which Of The Following Metals Will Melt At Body Temperature (37Â°C).

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5 Years Ago

Name A Metal Which Is Non-lustrous And A Non-Metal Which Is Lustrous.

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5 Years Ago

Assertion : Carbon Reacts With Oxygen To Form Carbon Dioxide Which Is An Acidic Oxide. Reason : Non-Metals Form Acidic Oxides

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5 Years Ago

Assertion : Platinum, Gold And Silver Are Used To Make Jewellery. Reason : Plantinum, Gold And Silver Are Reactive Least Metals.

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5 Years Ago

Assertion : Food Cans Are Coated With Tin And Not With Zinc. Reason : Zinc Is More Reactive Than Tin

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5 Years Ago

Assertion : When Zinc Is Added To A Solution Of Iron (II) Sulphate, No Change Is Observed. Reason : Zinc Is Less Reactive Than Iron.

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5 Years Ago

Assertion : Electrical Wires Cannot Be Made By Copper. Reason : Copper Is A Bad Conductor Of Electricity

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5 Years Ago

An Alloy Is

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5 Years Ago

Galvanisation Is A Method Of Protecting Iron From Rusting By Coating It With A Thin Layer Of

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5 Years Ago

Silver Articles Become Black On Prolonged Exposure To Air. This Is Due To The Formation Of

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Modified 5 Year Ago
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5 Years Ago

Metals Are Refined By Using Different Methods

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Modified 5 Year Ago
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5 Years Ago

Which Of The Following Metal Will Not Give H2(g) With H2O?

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5 Years Ago

Which Of The Following Is Not A Property Of Non-metals?

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Name Two Metals That Are Obtained By Electrolysis Of Their Chlorides In Molten Form.

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?

What Is Anode Mud?

Metals Are Refined By Using Different Methods. Which Of The Following Metals Are Refined By Electrolytic Refining? Au, Cu, Na And K

Why Does Calcium Float In Water?

Name One Property Which Is Not Shown By Ionic Compounds

Show The Formation Of MgO By The Transfer Of Electrons In The Two Elements Using Electron Dot Structures. Or Atomic Number Of Mg Is 12 Or Using The Electronic Configurations

Show The Electron Transfer In The Formation Of MgCL2 From Its Elements.

A Cleaned Aluminium Foil Was Placed In An Aqueous Solution Of Zinc Sulphate

A Piece Of Granulated Zinc Was Dropped Into Copper Sulphate Solution

Name One Metal Which Reacts Neither With Cold Water, Nor With Hit Water, But Reacts With Steam To Produce Hydrogen Gas

Name A Solvent In Which Electrovalent Compounds Are Soluble And A Solvent In Which They Are In Soluble.

How Do Metals And Non-Metals Combine?

Why Is Tungsten Metal Selected For Making Filaments Of Incandescent Lamp Bulbs?

Although Metals Form Basic Oxides, Name One Metal Which Forms An Amphoteric Oxides

Arrange The Following Metals In The Decreasing Order Of Reactivity Na, K, Cu And Ag.

Name Two Metals Which React With Dil.HNO3 To Evolve Hydrogen Gas

Which Of The Following Metals Will Melt At Body Temperature (37Â°C).

Name A Metal Which Is Non-lustrous And A Non-Metal Which Is Lustrous.

Assertion : Carbon Reacts With Oxygen To Form Carbon Dioxide Which Is An Acidic Oxide. Reason : Non-Metals Form Acidic Oxides

Assertion : Platinum, Gold And Silver Are Used To Make Jewellery. Reason : Plantinum, Gold And Silver Are Reactive Least Metals.

Assertion : Food Cans Are Coated With Tin And Not With Zinc. Reason : Zinc Is More Reactive Than Tin

Assertion : When Zinc Is Added To A Solution Of Iron (II) Sulphate, No Change Is Observed. Reason : Zinc Is Less Reactive Than Iron.

Assertion : Electrical Wires Cannot Be Made By Copper. Reason : Copper Is A Bad Conductor Of Electricity

An Alloy Is

Galvanisation Is A Method Of Protecting Iron From Rusting By Coating It With A Thin Layer Of

Silver Articles Become Black On Prolonged Exposure To Air. This Is Due To The Formation Of

Metals Are Refined By Using Different Methods

Which Of The Following Metal Will Not Give H2(g) With H2O?

Which Of The Following Is Not A Property Of Non-metals?

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