Dempsters mass spectrometer has number of zones / parts_________________?
Dempsters mass spectrometer has number of zones / parts_________________?
A. 5
B. 4
C. 3
D. 2
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Which of the following is a symmetrical ketone___________________?
Which of the following is a symmetrical ketone___________________?A. 3 – hexanone
B. acetone
C. butanone
D. 2-pentanoneThe gas which cannot be dried by conc. H2SO4 ?
The gas which cannot be dried by conc. H2SO4 ?A. SO2
B. H2S
C. CO2
D. C2H4Which compound will readily undergo sulphonation ?
Which compound will readily undergo sulphonation ?A. Benzene
B. Nitro benzene
C. Toluene
D. ChlorobenzeneWhat is the molecular formula for Nitric acid ________ ?
What is the molecular formula for Nitric acid ________ ?A. HNO2
B. HNO3
C. HN2O2
D. H2NO4The formula of palmitic acid_________________?
The formula of palmitic acid_________________?A. C15H31COOH
B. C13H27COOH
C. C17H33COOH
D. C17H35COOHAmphoteric exides are those which possess ____________ properties?
Amphoteric exides are those which possess ____________ properties?A. Acidic
B. Basic
C. Acidic and basic
D. Neutral and acidic