Chemical Tests Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is the Benedict’s test used for?

A

-reducing + non - reducing sugars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Method of the Benedict’s test

A

-blue copper sulphate is added to sugar
-heated
-if present = red is formed
-if not present = doesn’t change colour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the biuret test for?

A

-proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Method of the buriet test

A

-equal amount of NaOH is added
-add dilute copper sulfate solution
-gently mixed
-present = lilac
-not present = blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the emulsion test used for?

A

-lipids
-ethanol is added
-shake
-present = cloudy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the iodine test for?

A

-starch
-if present = yellow to blue/black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly