Lab 3 Quiz Review

I am used to test for the presence of complex carbohydrates (starch)

• Benedict's Test

• Biuret Test

• Iodine Test

• Ethanol Emulsion Test

I am used to test for the presence of simple carbohydrates (sugars)

• Benedict's Test

• Biuret Test

• Iodine Test

• Ethanol Emulsion Test

I am used to test for the presence of protein

• Benedict's Test

• Biuret Test

• Iodine Test

• Ethanol Emulsion Test

Which of the following tests for starch?

• Iodine

• Benedict's

• Biuret

• Emulsion

When starch is present iodine turns...

• purple

• blue-black

• orange

• brick red

When protein is present Biuret turns...

• purple

• blue-black

• orange

• brick red

A negative test for protein will cause Biuret to stay...

• brick red

• blue

• black

• orange

A negative test for glucose will cause Benedicts to stay...

• brick red

• blue

• black

• orange

What is a positive result for the lipid emulsion test?

• milky white colour

• clear

• yellow

• green

In this experiment, you must put your test tubes into a hot water bath

• Benedict's Test

• Biurets Test

• Iodine Test

• Ethanol Emulsion Test