upon colomn's dimension as well as the phase properties

C. Electrospray ionisation method in LC-MS can be used for highly polar, highly
stable or thermally stable compounds

D. Carrier gas used in GC-MS are nitrogen helium argon and Hydrogen

A:-A and B are wrong
B:-B and C are wrong
C:-C and D are wrong
D:-A and D are wrong
Correct Answer:- Option-B

Question80:-Crypton is a natural terpenoid which
A:-Contains ten carbon atom and does not obey isoprene rule
B:-Contains eight carbon atom and obeys isoprene rule
C:-Contains eight carbon atom and does not obey isoprene rule
D:-Contains nine carbon atom and does not obey isoprene rule
Correct Answer:- Option-D

Question81:-Which among the following is the function of Chopper in AAS?
A:-To split the beam into two
B:-To filter impurities
C:-To convert steady light into pulsating light
D:-To reduce the sample into atomic sate

Correct Answer:- Option-C

Question82:-A 725\10-°M solution of potassium permanganate has a transmittance of
20% when measured in a 2.10 cm cell at a wavelength of 525nm. The molar
absorptivity of potassium permangnate solution i$ fmoi-tcm-1

८0; -0.0459..10-5

B:-4.59x10-3

C:-o.459x10-5

D:-45.9x107

Correct Answer:- Option-B

Question83:-If DTA of cac,0,#,0 is carried out in an inert atmosphere, the number of
exothermic peaks are

A:-0
B:-1
C:-2
D:-3

Correct Answer:- Option-A