Food tests

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  • Created by: Cara J
  • Created on: 11-11-15 11:51
the test for proteins
biuret
1 of 17
(protein test) add a few drops of .... to make solution alkaline
sodium hydroxide solution
2 of 17
(protein test) then add ...... solution.
copper sulphate.
3 of 17
the colour of the solution if protein is present
purple
4 of 17
the test for non-reducing sugars
benedicts test and acid
5 of 17
(non-reducing test) boil the solution with dilute .....
hydrochloric acid
6 of 17
(non-reducing) neutralise by adding ...
sodium hydrogencarbonate
7 of 17
the test for starch
iodine test
8 of 17
(starch test) add .... to the sample
potassium iodide
9 of 17
colour if starch is present
dark blue black
10 of 17
the test for reducing sugars
benedicts test
11 of 17
(reducing sugars) add benedict's reagent and ...
heat
12 of 17
colour if a reducing sugar is present
brick red
13 of 17
the test for lipids
emulsion test
14 of 17
(lipids test) shake the test substance with ....
ethanol
15 of 17
(lipids) after shaking for 1 min, pour into ...
water
16 of 17
lipids will show up as
milky emulsion
17 of 17

Other cards in this set

Card 2

Front

(protein test) add a few drops of .... to make solution alkaline

Back

sodium hydroxide solution

Card 3

Front

(protein test) then add ...... solution.

Back

Preview of the front of card 3

Card 4

Front

the colour of the solution if protein is present

Back

Preview of the front of card 4

Card 5

Front

the test for non-reducing sugars

Back

Preview of the front of card 5
View more cards

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