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WorksheetsDTE sponsored FDP QUIZ
Total questions: 14
Worksheet time: 11mins
What is the missing letter in this series? b e h k n ? t
q
r
s
u
What is the color of the letter q in the previous question?
Yellow
Red
Pink
Green
A number increases from 20 to 30 and then decreases from 30 to 20. Compare the percent of increase from 20 to 30 and that of the decrease from 30 to 20. From the following which of the following statement is true:
Percent decrease is more than the percent increase
Percent increase is less than the percent increase
Percent decrease is less than the percent increase
Percent increase and percent increase is same
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
120 metres
324 meters
180 meters
150 meters
Divide 30 by half and add ten.
40.5
25
50
70
Which is the color of certificate given in this FDP to the Resource person?
Red
White
Green and white
Green and red
If we start the range of late 50% of UV spectra to the 20% of early visible spectra, what will be the range of resulting wavelength?
100-300 nm
300-560 nm
200-600 nm
260-540 nm
Thin layer chromatography is
partition chromatography
electrical mobility of ionic species
adsorption chromatography
none of the above
Chromatography is used to separate the components of a mixture and can be carried out in a range of different ways.
a) A suitable example of a ‘carrier gas’ in gas chromatography is
Chlorine
Nitrogen
Steam
Not possible to state, as there should be a vacuum
Why is GC-MS an important analytical technique in science?
Allows unknown substances to be identified
Quantifies the amount of known chemicals
Characterizes the boiling point of a compound
Determines the volatility of a compound
