132 of 46300 Questions
View AllCBSE Discussions Metals & Non Metals Recent Questions
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0 votes0 answer429 views4 Years Ago
Name Any Two Alloys Whose Electrical Conductivity Is Less Than That Of Pure Metals.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer439 views
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0 votes0 answer319 views4 Years Ago
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0 votes0 answer254 views4 Years Ago
Name Two Metals That Are Obtained By Electrolysis Of Their Chlorides In Molten Form.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer360 viewsAmirul Hassan 4 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?
CBSE DiscussionsModified 4 Year Ago Amirul Hassan
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0 votes0 answer191 views
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0 votes0 answer261 views4 Years Ago
Metals Are Refined By Using Different Methods. Which Of The Following Metals Are Refined By Electrolytic Refining? Au, Cu, Na And K
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer214 views
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0 votes0 answer175 views4 Years Ago
Name One Property Which Is Not Shown By Ionic Compounds
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0 votes0 answer330 views4 Years Ago
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0 votes0 answer381 views4 Years Ago
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0 votes0 answer178 views4 Years Ago
A Piece Of Granulated Zinc Was Dropped Into Copper Sulphate Solution
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer146 views4 Years Ago
Name One Metal Which Reacts Neither With Cold Water, Nor With Hit Water, But Reacts With Steam To Produce Hydrogen Gas
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer215 views4 Years Ago
Name A Solvent In Which Electrovalent Compounds Are Soluble And A Solvent In Which They Are In Soluble.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer159 views
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0 votes0 answer171 views4 Years Ago
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0 votes0 answer147 views4 Years Ago
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0 votes0 answer275 views4 Years Ago
Arrange The Following Metals In The Decreasing Order Of Reactivity Na, K, Cu And Ag.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer474 views4 Years Ago
Name Two Metals Which React With Dil.HNO3 To Evolve Hydrogen Gas
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0 votes0 answer314 views4 Years Ago
Which Of The Following Metals Will Melt At Body Temperature (37°C).
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0 votes0 answer468 views4 Years Ago
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0 votes0 answer3098 views4 Years Ago
Assertion : Carbon Reacts With Oxygen To Form Carbon Dioxide Which Is An Acidic Oxide. Reason : Non-Metals Form Acidic Oxides
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer1059 views4 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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0 votes0 answer1287 views4 Years Ago
Assertion : Food Cans Are Coated With Tin And Not With Zinc. Reason : Zinc Is More Reactive Than Tin
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer1059 views4 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.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer3239 views4 Years Ago
Assertion : Electrical Wires Cannot Be Made By Copper. Reason : Copper Is A Bad Conductor Of Electricity
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer237 views
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0 votes0 answer157 views4 Years Ago
Galvanisation Is A Method Of Protecting Iron From Rusting By Coating It With A Thin Layer Of
CBSE DiscussionsModified 4 Year Ago