STRAIGHTERLINEgCHEMISTRYgFINALgEXAMgTESTg2025|gBRA
NDgNEWgACTUALgEXAMgWITHg100%gVERIFIEDgQUESTIONSgA
NDgCORRECTgSOLUTIONS|gGUARANTEEDgVALUEgPACK|gACEg
YOURgGRADES.
1. Whatgisgthegtermgusedgforgfindingsgthatgaregsummarizedgbasedgonga
gpatterngorgtrend?
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Predictiong-gcorrectganswerg-ga.gLaw
2. Whichgofgthegfollowinggisgagtentativegexplanationgforgagsetgof
gobservations?
Selectgone:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Predictiong-gcorrectganswerg-gb.gHypothesis
3. Ifgagliquidgcontainsg60%gsugargandg40%gwatergthroughoutgitsgcomposition
gthengwhatgisgitgcalled?
Selectgone:
a. Solute
b. Compound
c. Homogeneousgmixture
d. Heterogeneousgmixture
, P a g e g |g2
e. Solventg-gcorrectganswerg-gc.gHomogeneousgmixture
4. Whichgofgthegfollowinggdoesgnotghavegaguniformgcompositiongthroughout?
gSelectgone:
a. Element
b. Compound
c. Homogeneousgmixture
d. Heterogeneousgmixture
e. Solventg-gcorrectganswerg-gd.gHeterogeneousgmixture
5. Whichgonegofgthesegrepresentsgagphysicalgchange?
gSelectgone:
a. Water,gwhengheated,gformsgsteam.
b. Bleachgturnsghairgyellow.
c. Sugar,gwhengheated,gbecomesgbrown.
d. Milkgturnsgsour.
e. Apples,gwhengexposedgtogair,gturngbrown.g-gcorrectganswerg-
ga.gWater,gwhengheated,gformsgsteam.
6. Howgmanygmicrogramsgareging65.3gkg?
gSelectgone:
a. 0.653gμg
b. 6.53g×g107gμg
c. 6.53g×g104gμg
d. 6.53g×g10-8gμg
e. 6.53g×g1010gμgg-gcorrectganswerg-ge.g6.53g×g1010gμg
, P a g e g |g3
7. Agsmartgphoneghasgdimensionsgofg4.9ginchesg(height),g2.3ginchesg(width)
gandg8.0gmillimetersg(depth).gWhatgisgthegvolumegofgthegsmartgphonegingc
ubicgcentimeters?g(1ging=g2.54gcm)
Selectgone:
a. 58gcm3
b. 1.7gxg105gcm3
c. 90gcm3
d. 3.4gcm3
e. 34gcm3g-gcorrectganswerg-ga.g58gcm3
8. Givengthatg1ginchg=g2.54gcm,g1.00gcm3gisgequalgto
gSelectgone:
a. 16.4gin3
b. 6.45gin3
c. 0.394gin3
d. 0.155gin3
e. 0.0610gin3g-gcorrectganswerg-ge.g0.0610gin3
9. Whatgtermsgdefinesgagmassgwhichgisgexactlygequalgtog1/12gthegmassgof
gonegcarbon-12gatom?
Selectgone:
a. Isotopegnumber
b. Massgnumber
c. Mass-to-chargegratio
d. Atomicgnumber
e. Atomicgmassgunitg-gcorrectganswerg-ge.gAtomicgmassgunit
, P a g e g |g4
10. Howgmanygneutronsgaregtheregingangatomgofgleadgwhosegmass
gnumbergisg208?
Selectgone:
a. 82
b. 126
c. 208
d. 290
e. nonegofgthemg-gcorrectganswerg-gb.g126
11. Whichgofgthesegelementsgisgchemicallygsimilargtogmagnesium?
Selectgone:
a. Sulfur
b. Calcium
c. Iron
d. Nickel
e. Potassiumg-gcorrectganswerg-gb.gCalcium
12. C(graphite)gandgC(diamond)garegexamplesgof:
Selectgone:
a. isotopesgofgcarbon.
b. allotropesgofgcarbon.
c. theglawgofgdefinitegproportions.
d. differentgcarbongions.g-gcorrectganswerg-gb.gallotropesgofgcarbon.