FRSC 200 CHAPTER 4 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS
A solution whose pH is 9 has:
a. An H+ concentration of 9
b. An H+ concentration of -9
c. An H+ concentration of 10^9
d. An H+ concentration of 10^-9
d. An H+ concentration of 10^-9
A polar compound...
a. is insoluble in water
b. always has oxygen
c. has a positive side and a negative side
d. has a pH of less than 7
c. has a postive side and a negative side
In gas chromatography, the mobile phase...
a. is an inert gas
b. is a liquid solution
c. is always polar
d. is located in a column
a. is an inert gas
, A mixture of four basic drugs...
a. cannot be separated
b. would show four peaks on a chromatogram
c. must be separated using a liquid extraction method
d. can only be separated using thin layer chromatography
b. would show four peaks on a chromatogram
In HPLC...
a. the mobile phase is a solid
b. a coated microscope slide is the stationary phase
c. the mobile phase moves through the stationary phase by gravity
d. the mobile phase is a liquid solution of pure liquid
d. the mobile phase is a liquid solution of pure liquid
All types of chromatography...
a. have a stationary phase and a mobile phase
b. have chromatograms with peaks on a chart
c. can be used to separate explosive residues from the debris of an explosion
d. have a liquid mobile phases
a. have a stationary phase and a mobile phase
Gel electrophoresis...
a. cannot separate DNA fragments
b. is similar to gas chromatography
c. has a very thin column for the stationary phase
d. uses an electric current as the mobile phase
COMPLETE SOLUTIONS
A solution whose pH is 9 has:
a. An H+ concentration of 9
b. An H+ concentration of -9
c. An H+ concentration of 10^9
d. An H+ concentration of 10^-9
d. An H+ concentration of 10^-9
A polar compound...
a. is insoluble in water
b. always has oxygen
c. has a positive side and a negative side
d. has a pH of less than 7
c. has a postive side and a negative side
In gas chromatography, the mobile phase...
a. is an inert gas
b. is a liquid solution
c. is always polar
d. is located in a column
a. is an inert gas
, A mixture of four basic drugs...
a. cannot be separated
b. would show four peaks on a chromatogram
c. must be separated using a liquid extraction method
d. can only be separated using thin layer chromatography
b. would show four peaks on a chromatogram
In HPLC...
a. the mobile phase is a solid
b. a coated microscope slide is the stationary phase
c. the mobile phase moves through the stationary phase by gravity
d. the mobile phase is a liquid solution of pure liquid
d. the mobile phase is a liquid solution of pure liquid
All types of chromatography...
a. have a stationary phase and a mobile phase
b. have chromatograms with peaks on a chart
c. can be used to separate explosive residues from the debris of an explosion
d. have a liquid mobile phases
a. have a stationary phase and a mobile phase
Gel electrophoresis...
a. cannot separate DNA fragments
b. is similar to gas chromatography
c. has a very thin column for the stationary phase
d. uses an electric current as the mobile phase
