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An Athlete Completes One Round Of A Circular Track Of Radius R In 40 Sec. What Will Be His Displacement At The End Of 2 Min. 20 Sec
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Which Of The Following Damages WBC, Bone-marrows And Lymph Nodes
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Carbon Monoxide (CO) Is Harmful To Man Because
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Metal Generally Present In Polluted Air Is
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Green Chemistry Means Such Reactions Which
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Green House Effect Is Caused By
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One Of Them Contributes Maximum To Air Pollution
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Major Aerosol Pollutant Present In The Jet Plane Emission Is
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Dyes Are Generally Obtained From The Substances Obtained From
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The Dyes Which Are Applied To The Fabric In The Colourless Reduced State And Then Oxidised To Coloured State Are Called
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Which Of The Following Is A Basic Dye
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Which Of The Following Is Not A Chromophore
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Alizarin A Mordant Dye Is Not Used In
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0.2595g Of An Organic Substance In A Quantitative Analysis Yielded 0.35g Of The Barium Sulphate. The Percentage Of Sulphur In The Substance Is
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An Organic Compound Contains C = 38.8%, H = 16% And N = 45.2% . Empirical Formula Of The Compound Is
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60g Of A Compound On Analysis Gave C = 24g, H = 4g And O = 32g. Its Empirical Formula Is
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The Lassaignes Extract Is Boiled With Conc. HNO3 While Testing For Halogens. By Doing So It
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The Best Method For The Separation Of Naphthalene And Benzoic Acid From Their Mixture Is
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Empirical Formula Of A Compound Is CH2O And Its Vapour Density Is 30. Molecular Formula Of The Compound Is
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The Decomposition Of Organic Compounds In The Presence Of Oxygen And Without Formation Of Odoriferous Substances, Is Called
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An Organic Compound Containing C,H And N Gave Following Analysis : C = 40% , H = 13.33% And N = 46.67%. Its Empirical Formula Would Be
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Acetonitrile Is
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The Structural Formula Of Methyl Aminomethane Is
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(CH3)2 C.CH2.CO.CH3 Is
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