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Ward's® Chemistry Rainbow Down the Tube Demonstration

Somewhere Over the Rainbow Chemistry Lessons Fly.

  • Instruction manual included
  • Teach density, solubility, and pH with one demonstration!
Engage your students with this imaginative activity that allows you to pour a beautiful rainbow down the inside of your Ward's® Chemistry Demonstration tube. A concentrated solution of sodium carbonate will be added to a dilute solution of hydrochloric acid and universal indicator. You can then teach density, solubility, migration of ions, and pH as the dense solution travels down the tube. A glass demonstration tube is required and sold separately.

Ordering information: Includes Sodium Carbonate, Hydrochloric Acid, Universal Indicator, and Instructions. Required but Not Provided are Glass Demonstration Tube, and General Glassware.

Delivery information: Due to the nature of this item, it cannot be shipped by air under any circumstances. Please select ground shipping at time of checkout.



Item # Description Includes No. of Lab Groups Unit Availability Price Quantity
470016-836 Ward's® Chemistry Rainbow Down the Tube Demonstration
Hazardous Product
Instructions 10 Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 1-800-727-4368 or email


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