Food Tests

This is a positive result for .....

• protein

• bread

• fats / lipids

• the carbohydrate, starch

How do you test for lipids?

• By using Ethanol and water

• By using Benedicts solution

• By using Iodine

• By using Biuret test

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

• yellow/orange

• blue

• black

• brick red

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

• brick red

• blue

• black

• orange

Which test would you use for testing for glucose?

• Benedict's solution

• Biuret solution

• Grease Spot test

• Iodine solution

Which test would you use for testing for protein?

• Benedict's solution

• Biuret solution

• Grease Spot test

• Iodine solution

Which test would you use for testing for fats?

• Benedict's solution

• Biuret solution

• Grease Spot test

• Iodine solution

Which test would you use for testing for starch?

• Benedict's solution

• Biuret solution

• Grease Spot test

• Iodine solution

If starch is present, what colour would iodine turn into?

• Orange or Red colour

• Purple colour

• Blue-black colour

• Translucent colour

If glucose is present, what colour would Benedict's solution turn into?

• Orange or Red colour

• Purple colour

• Blue-black colour

• Translucent colour

Tags

NGSS.MS-PS1-2