STRAIGHTERLINE CHEMISTRY FINAL QUESTIONS WITH CORRECT ANSWERS

STRAIGHTERLINE CHEMISTRY FINAL QUESTIONS
WITH CORRECT ANSWERS

WhatBisBtheBtermBusedBforBfindingsBthatBareBsummarizedBbasedBonBaBpatternBorBtrend?

a.BLawB

b.BHypothesis

c.BTheory

d.BPhenomena

e.BPredictionB-BCORRECTBANSWERB-a.BLaw



WhichBofBtheBfollowingBisBaBtentativeBexplanationBforBaBsetBofBobservations?

SelectBone:

a.BLaw

b.BHypothesisB

c.BTheory

d.BPhenomena

e.BPredictionB-BCORRECTBANSWERB-b.BHypothesis



IfBaBliquidBcontainsB60%BsugarBandB40%BwaterBthroughoutBitsBcompositionBthenBwhatBisBitBcalled?

SelectBone:

a.BSolute

b.BCompound

c.BHomogeneousBmixtureB

d.BHeterogeneousBmixture

e.BSolventB-BCORRECTBANSWERB-c.BHomogeneousBmixture

,WhichBofBtheBfollowingBdoesBnotBhaveBaBuniformBcompositionBthroughout?

SelectBone:

a.BElement

b.BCompound

c.BHomogeneousBmixture

d.BHeterogeneousBmixtureB

e.BSolventB-BCORRECTBANSWERB-d.BHeterogeneousBmixture



WhichBoneBofBtheseBrepresentsBaBphysicalBchange?

SelectBone:

a.BWater,BwhenBheated,BformsBsteam.B

b.BBleachBturnsBhairByellow.

c.BSugar,BwhenBheated,BbecomesBbrown.

d.BMilkBturnsBsour.

e.BApples,BwhenBexposedBtoBair,BturnBbrown.B-BCORRECTBANSWERB-
a.BWater,BwhenBheated,BformsBsteam.



HowBmanyBmicrogramsBareBinB65.3Bkg?

SelectBone:

a.B0.653Bμg

b.B6.53B×B107Bμg

c.B6.53B×B104Bμg

d.B6.53B×B10-8BμgB

e.B6.53B×B1010BμgB-BCORRECTBANSWERB-e.B6.53B×B1010Bμg



ABsmartBphoneBhasBdimensionsBofB4.9BinchesB(height),B2.3BinchesB(width)BandB8.0BmillimetersB(de
pth).BWhatBisBtheBvolumeBofBtheBsmartBphoneBinBcubicBcentimeters?B(1BinB=B2.54Bcm)

,SelectBone:

a.B58Bcm3

b.B1.7BxB105Bcm3

c.B90Bcm3

d.B3.4Bcm3B

e.B34Bcm3B-BCORRECTBANSWERB-a.B58Bcm3



GivenBthatB1BinchB=B2.54Bcm,B1.00Bcm3BisBequalBto

SelectBone:

a.B16.4Bin3

b.B6.45Bin3B

c.B0.394Bin3

d.B0.155Bin3

e.B0.0610Bin3B-BCORRECTBANSWERB-e.B0.0610Bin3



WhatBtermsBdefinesBaBmassBwhichBisBexactlyBequalBtoB1/12BtheBmassBofBoneBcarbon-12Batom?



SelectBone:

a.BIsotopeBnumber

b.BMassBnumber

c.BMass-to-chargeBratio

d.BAtomicBnumber

e.BAtomicBmassBunitB-BCORRECTBANSWERB-e.BAtomicBmassBunit



HowBmanyBneutronsBareBthereBinBanBatomBofBleadBwhoseBmassBnumberBisB208?

, SelectBone:

a.B82

b.B126B

c.B208

d.B290

e.BnoneBofBthemB-BCORRECTBANSWERB-b.B126



WhichBofBtheseBelementsBisBchemicallyBsimilarBtoBmagnesium?



SelectBone:

a.BSulfur

b.BCalciumB

c.BIron

d.BNickel

e.BPotassiumB-BCORRECTBANSWERB-b.BCalcium



C(graphite)BandBC(diamond)BareBexamplesBof:



SelectBone:

a.BisotopesBofBcarbon.

b.BallotropesBofBcarbon.B

c.BtheBlawBofBdefiniteBproportions.

d.BdifferentBcarbonBions.B-BCORRECTBANSWERB-b.BallotropesBofBcarbon.



TheB80Br-BionBhas