Easy
Hard
100

What is produced when mixing vinegar and baking soda?

Gas (carbon dioxide)

100

What is the chemical name of Vinegar?

Acetic Acid (CH3COOH)

200

Is water a chemical compound?

Yes (H20)

200

What is the chemical name of Baking Soda?

Sodium Bicarbonate (NAHCO3)

300

What kind of Acid is in a lemon and orange?

Citric Acid

300

If you mix a tiny bit of baking soda with a lot of vinegar, will the bubbles last a long time or a short time?

A short time, because one of the ingredients (baking soda) will run out quickly.

400

What is making the bubbles in the Elephant Toothpaste experiment?

Gas 

400

If you wanted to stop the reaction between vinegar and baking soda, what could you do?

You could separate the two ingredients, or if they are already mixed, wait until one of them is completely used up.

500

Can the baking soda and vinegar turn back after mixing?

No, because a chemical change happened

500

Is the reaction between vinegar and baking soda an example of a physical change (like melting ice) or a chemical change (where new things are made)?

It is a chemical change.