8.1 Food tests

Which of the following tests for starch?

• Iodine

• Benedict's

• Biuret

• Emulsion

Which of the following tests for protein?

• Iodine

• Benedicts

• Biuret

• Emulsion

Which of the following tests for glucose?

• Iodine

• Benedicts

• Biuret

• Emulsion

When starch is present iodine turns...

• purple

• blue-black

• orange

• brick red

Tags

NGSS.MS-PS1-2

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

When large amounts of glucose is present Benedicts turns...

• purple
• blue-black
• brick-red
• green

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

• brick red

• blue

• black

• orange

Tags

NGSS.MS-PS1-2

The building blocks of proteins are

• carbohydrates

• amino acids

• sugars

• fatty acids

Tags

NGSS.HS-LS1-6

The test tubes in the photo represent a negative and positive result for

• Benedict's with glucose

• Biuret with protein

• Iodine with starch

• Ethanol with fat