Worksheets2 Chromatography Exo and Endo
Total questions: 21
Worksheet time: 15mins
Ink can be separated by a method of -----------------------------------------------
distillation
filtration
chromatography
sedimentation
A substance is soluble if it can be dissolved.
In paper chromatography, the most soluble solute _____________________ .
does not move from the start point
stays closest to the start point
travels furthest away from the start point
can be found in the middle of the chromatogram
What is the correct image of paper chromatography???
What is chromatography?
A way to see pretty colors
A laboratory technique used to separate a mixture.
A form of distillation
Two or more substances that are mixed together but not chemically combined create a...
solvent
compound
mixture
Which of the following mixture/s is/are separated by chromatography?
Pigments from natural colours
Colours in a dye
Colours of flowers extracts
All the above
What molecules move up the paper to carry the different colors of ink?
color
fat
water
If a substance is not soluble in the solvent, what happens to the spot placed on the start line?
a) Dot moves to the top of the paper
b) Dot does not move at all
c) Dot moves to the left or right
d) Dot moves down to the bottom of the paper
In an endothermic reaction, energy is _________.
absorbed
released
_____ reactions usually feel hot!
endothermic
exothermic
Endo means in or _______.
absorbed
released
Exo means out or ________.
absorbed
released
What instrument would you use to detect an endothermic or exothermic reaction?
triple beam balance
ruler
thermometer
