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Pa is a unit of
length
pressure
concentration
volume
What is the name of an S2O32- ion?
sulfate
hydrogen sulfate
sulfite
thiosulfate
Which substance has the lowest normal boiling point?
propanone
ethanol
water
ethanoic acid
What is the mass of a beta particle?
4
0
1
-1
Which of the following is an Arrhenius acid?
HNO2
NaOH
KOH
NH3
Which indicator shifts from red to blue as pH shifts from 4.5 to 8.3
methyl orange
litmus
phenolphtalein
thymol blue
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