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Earn +20 ptsQ: What if the spot remains at the base line in a chromatogram?
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How do you reveal the position of a colorless spot on the chromatogram?
By adding a specific reagent.
Why is it important to use only a pencil to mark the starting line of the chromatogram?
This is so you can know the base line. The base line is used as the starting point for the mesaurements used for the Rf values. you need to know the distance from the base line to the point of the spot to know the Rf values. see related link below for more info about paper chromatography
Would a pure substance show more than one color or spot in a chromatogram. explain?
yes.
Does a Batter have to run to first base in foul territory after bunting or dropped third strike?
No, but he must run in the "runners box" when he reaches that spot down the first base line, or he may be called out for interference.
How many yards is the penalty spot on from the goal line on a soccer field?
The penalty spot is 12 yards from the goal line.
During which step should you fill out a 9-line EH spot report?
Confirm
When there is a restriction in a line or part what will commonly appear downstream of that spot?
If you are talking ac, then a spot of frost.If you are talking ac, then a spot of frost.
Can a hickmen line be reinserted in the same spot?
yes
What is a good spot for a tall person in baseball?
first base
What was the first landing spot on the moon called?
Tranquility Base
What is the exact spot where a line of lat and long intersects?
coordinate
What Indicates the elevation on a map?
A contour line or a spot height.
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