HPLC
A gradient elution in HPLC is one in which the composition of the solvent

None of these
is changed continuously or in a series of steps
remains constant
both (a) and (b)

ANSWER DOWNLOAD EXAMIANS APP

HPLC
Void volume refers to the

the volume of the column between the point at which solvents are mixed and the beginning of the column
total volume of eluent in the column the remainder being taken up by the packing material
the volume of solvent contained in a liquid chromatographic column
the time required for the gradient to reach the column

ANSWER DOWNLOAD EXAMIANS APP

HPLC
HPLC stands for

High Pressure Liquid Chromatography
High Performance Liquid Chromatography
both (a) and (b)
Highly Placed Liquid Chromatography

ANSWER DOWNLOAD EXAMIANS APP

HPLC
HPLC methods include

liquid/solid (adsorption) chromatography
ion exchange and size exclusion chromatography
All of these
liquid/liquid (partition) chromatography

ANSWER DOWNLOAD EXAMIANS APP