Food Test Recap

Name the test to identify the presence of fat in food.

• Grease spot test

• Filter paper test

• Iodine test

• Benedict's test

Tags

NGSS.MS-PS1-2

The grease spot that is formed on the paper is ....................

• transparent

• translucent

• transgender

• translocation

Tags

NGSS.MS-PS1-2

Which of the following tests for starch?

• Iodine

• Benedict's

• Biuret

• Emulsion

Which of the following tests for protein?

• 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

Tags

NGSS.HS-PS1-2

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

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

Tags

NGSS.HS-PS1-2

A negative test for starch will cause Iodine to stay...

• straw coloured (orange yellow)

• blue

• black

• brick red

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

• brick red

• blue

• black

• orange

How do you test for lipids?

• By using Ethanol and water

• By using Benedicts solution

• By using Iodine

• By using Biuret test