Starches

Which reagent is used to test for the presence of starch?

• Ethanol

• Iodine

• Benedict's Reagent

• Biuret Reagent

What color change is seen in a positive test?

• Blue --> Brick red

• Blue --> Purple

• Brown --> Green

• Brown --> Bluish-Black

Tags

NGSS.MS-PS1-2

TRUE or False: Candy contains complex carbohydrates.

• True

• False

Tags

NGSS.MS-LS1-7

TRUE or FALSE: Rice contains complex carbohydrates.

• True

• False

If the food sample does not contain starch, what color change will be seen?

• Brown --> Bluish Black

• Brown --> Green

• Blue --> Brick Red

• No color change will be seen