A Homemade pH Indicator Experiment Red Cabbage Juice

A Homemade pH Indicator Experiment Red Cabbage Juice

Red cabbage contains a pigment molecule called flavin (an anthocyanin) Red Cabbage Juice: A Homemade pH Indicator WARNING do not drink any of the liquid. I used 2 teaspoons (28g) for the sugar, baking soda, sanitizer, lemon juice. Make sure to stir until dissolved. INTRODUCTION TO THE CABBAGE PH INDICATOR Red cabbage contains a pigment…

Reusable Cold Pack experiment

Reusable Cold Pack experiment

REUSABLE COLD PACK Experiment Objective: TO understand the concept of freezing point depression by making a reusable cold pack. Materials: Quart freezer bag Isopropyl rubbing alcohol Food coloring (Optional) Safety Precautions: Isopropyl alcohol is poisonous if ingested. Be sure to clearly label the bag “POISON” before putting it into the freezer. Procedure: Add 2 cups…