ENERGY&MATERIALSQUIZFIRSTROUND

ByKrishnaMoorthi&Prateek

QUESTION1

• CoralReefs,theunderwaterstructurescreatedbymicroorganismscorals,ismademainlyofwhichmaterial?

QUESTION1

• CALCIUMCARBONATE

Ironkillsstars!!

• Stainlesssteelisaveryimportantmaterialinourlife,itisanalloyandcomprisesof3metals.Ironbeingofthem,nametheothertwoelementswhichcomprisestainlesssteel.

QUESTION2

• Nickelandchromium

Fireinthehole!

• LittleboywasmadewithU-235isotope.Whileontheotherhand,formakingFatman,someotherelementwasusedinsteadofuranium.

• Whichelement?

QUESTION3

• Plutonium

That'swhytheycallmeMr.Fahrenheit

• GiveFunda

QUESTION4

• Thermitereaction

Carefulwhatyouwashfor

• Alsoknownashydroxylacid,Xisthemajorcomponentofacidrain.Itisalsoamainpartofmostjunkfoodsandcolddrinksavailableinthemarket.WhatisX?

QUESTION5

• Water

QUESTION6

• Foamedpolystyrenewasmadecommerciallyforthefirsttimein1941byresearchersinDow’sChemicalPhysicsLab,wheretheyrediscoveredtheprocessalreadyachievedbySwedishscientistCarlGeorgMunters.Howdowepopularlyknowthissubstanceas?

QUESTION6

• STYROFOAMORTHERMOCOL

Nowyouseeme

• BenjaminFranklin,inaletterwrites-

'Iimagineitwillbefoundprettygenerallytrue,thatthesameconvexityofglassthroughwhichamanseesclearestandbestatthedistanceproperforreading,isnotthebestforgreaterdistances.Therefore,Ihadformerlytwopairofspectacles,whichishiftedoccasionally,asintravellingisometimesread.Thiswasacauseoftrouble'

• WhatdidFranklininventtoovercomethe'trouble'?

QUESTION7

• Bi-focals

MynameisOzymandias,kingofkings: Lookonmyworks,yeMighty,anddespair!

• Onwhichmonument,onecanfindthiscompoundFeP04.4H2O(IronHydrogenPhosphatehydrate)-whichgivesthemonumentauniqueproperty?

QUESTION8

• IronpillaratQutubminar

Withlowpowercomeslessresponsibilities?

• “Conventionalelectro-magneticenergymetersdidnotrecordconsumptioniftheloadwasverysmall.Theindicatortendednottomovewhenatnighttherewasnoelectricalload”

• WhatmisnomerpopularinIndiadoestheabovequoteexplain?

QUESTION9

• Zerowattbulb

JesusChristMarie!Itsamineral!

• XisahydratedmagnesiumsilicatewiththechemicalformulaH2Mg3(SiO3)4orMg3Si4O10(OH)2.Inlooseform,itisthewidelyusedsubstanceknownas______(akaX).

• Itisthesoftestknownmineralandlistedas!ontheMoh'shardnessscale.

• Assuch,itcanbeeasilyscratchedbyafingernail.Ithasaspecificgravityof2.5-2.8,aclearordustylustreandistranslucenttoopaque.

QUESTION10

• TalcumPowder(derivedfromtalc)

QUESTION11

• Ironisthemostabundantmetalintheuniversebymassfraction.Whichisthesecondmostabundantmetalintheuniversebymassfraction?

QUESTION11

• Magnesium

Ineedadollar...

• ThematerialusedtomakeXisanalloyof2rareearthelements.TheestimatedcostofthemostadvancedversionofXisafewhundredmilliondollars.

• Someofthemany“unbelievable”featuresofXaretheUserInterfaceandthecomputerprovidingofflinesupporttothepersonusingX.

• ThemannerinwhichtheenergyfromthepowersourceisconvertedtoastabilizedelectricitysupplytoallowthevariouscomponentsofXtofunctioninthelessthanidealsituationinwhichanXmaybeused.WhatisX?

QUESTION12

QUESTION13

• X,alsoknownasacetylsalicylicacidwithIUPACname2-acetoxybenzoicacidisasalicylatedrug,oftenusedasananalgesictorelieveminorachesandpains,asanantipyretictoreducefeverandasanantiinflammatorymedication.

• TheactiveingredientofXwasfirstdiscoveredfromthebarkofthewillowtreein1763byEdwardstoneofWadhamcollege,OxfordUniversity.Hehaddiscoveredsalicylicacid.XwasfirstsynthesizedbyFelixhoffmann,achemistwiththeGermancompanyBayerin1897.

QUESTION13

• Aspirin

QUESTION14• Indiastartingitsownnuclearprogramwasmarkedbythefoundingofanorganisation.Whichorganisation?

QUESTION14

• TIFR(ByHomiBhabhain1944-45)

QUESTION15• XwasinventedbyY.Yobtainedpatentsforhisinventionin1867.Afteritsintroduction,Xrapidlygainedwide-scaleuseasasafealternativetoblackpowder.

• YcombinedAmmoniumCyanatewithGlycerineformingacompoundTriNitroGlycerine(TNG).twaskeptinabowlwhileYwasresearchinginhislab.Onthefloorwaskieselguhr(Diatomaceousearth)andthebowlfellonit.HencethecompundXwascreated.

• (Hint:Followingitsdiscovery,theworldeconomyhadahuge“boom”)

QUESTION15

• X-TNT

• Y-AlfredNoble

Mypreciousss• ThenameofthismetalderivesfromaSpanishwordwhichmeans“littlesilver”,becauseitwasfirstencounteredinasilvermine.

• Itistheleastreactivemetal,sinceithasremarkableresistancetocorrosion,evenathightemperatures,itisthereforeconsideredanoblemetal.

• Itisnowusedincatalyticconverters,laboratoryequipment,electricalcontactsandelectrodes,thermometersanddentistryequipment.Beingaheavymetal,itleadstohealthissuesuponexposuretoitssalts,butduetoitscorrosionresistance,itisnotastoxicassomemetals.

• Whichmetalarewetalkingaboutwhichisalsoconsideredasasymbolofprestige?

QUESTION16

• Platinum

QUESTION17

• PureIronhas5differentcrystallinephasesinitssolidstateatvarioustemperaturesandpressures.HowmanycrystallinephasesdoesPureIce(solidH2O)haveatitssolidstate?

QUESTION17

• 17Phases

QUESTION18• ThislegendarysteelgetsitsnamefromtheTamilwordurukku,ortheKannada/TeluguwordUkku,meaningsteel.

• AusHajr,anArabpoet,wroteinadmirationinAD540that“Ithasawaterwhosewavystreaksareglistening.Itislikeapondoverwhosesurfacethewindisgliding.Thesmithhasworkedoutinagrainasifitwerethetrailofsmallblackantsthathadtrekkedoveritwhileitwasstillsoft.”

• NamethismostfamousproductofmedievalIndianmetallurgy.

QUESTION18

• Wootzsteel

Teenagewasteland

• Whatisthis?

QUESTION19

• ChemicalweaponsusedinWWI

QUESTION20

• Xistheleaststableelementknowntomantoday.Itwassynthesisedin2002inRussiaandhasthehighestatomicandmassnumbersofallelementsthatexistpresently.Xistheonlyelementtobenamedafterapersonwhoiscurrentlyalive.IdentifyX

QUESTION20

• OGANESSON(AfterDr.YuriOganessian)