D:-None of these
Correct Answer:- Option-A

Question11:-Which of the following is not true about High Pressure Liquid
Chromatography (HPLC)?

A:-lt requires high pressure for the separation of the species
B:-There is no need to vaporise the samples
C:-It is performed in columns
D:-It has high sensitivity
Correct Answer:- Option-B
Question12:-Indeterminate error is also called
A:-Random error
B:-Accidental error
C:-Both (1) and (2)
D:-None
Correct Answer:- Option-C
Question13:-Analgin is a
A:-Oxazole derivative
B:-lsoxazole derivative
C:-Imidazole derivative
D:-Pyrazole derivative
Correct Answer:- Option-D
Question14:-What does correlation coefficient measure?
A:-The difference between the predicted and actual of the dependent variable
B:-The strength and the direction of linear relationship between two variables
C:-The degree to which one variable causes changes in another variable

D:-The proportion of the variance in the dependent variable that is explained
by the independent variable

Correct Answer:- Option-B

Question15:-A concentration term which does not change with increase or decrease
of temperature is

A:-Molality

B:-Parts per million

C:-Normality

D:-Mass fraction

Correct Answer:- Option-A
Question16:-Which sentence is false about EDTA?

A:-Alkali medium is required for complex ion as EDTA will ionizes more in alkali