Tests

• What is the test for starch?

  The test for starch is the iodine test, which turns the starch solution blue-black in colour.
• What is the test for protein?

  Biuret test. Blue-violet
• What is the test for reducing sugars?

  Benedict's test. Heat to 70 degrees C for 5 minutes. Blue - Brick red
• What is the test for non-reducing sugars?

  Benedict's test, HCl added, re-heated, NaOH, benedicts added, heated again. Blue - Brick red
• How can you tell the level of reducing sugar?

  Benedict's test, up to brick red (most)