Combustion
Elephant Toothpaste
General Chem Knowledge
100

The three things needed for combustion

What are: fuel, heat, oxygen

100

What is hydrogen peroxide commonly used for?

disinfecting wounds and/or bleaching

100

Formula for carbon dioxide

What is: CO2

200

Full name of IPA

What is: isopropyl alcohol

200

The three materials we used to make elephant toothpaste (formula or full name is fine)

What are:

- H2O2 (hydrogen peroxide)

- KI (potassium iodide)

- Soap

200

This female chemist discovered radium and polonium.

Who is: Marie Curie

300

The thing that oxygen takes away from fuel during combustion.

What are: Electrons

300

KI is a ______________

What is: catalyst

300

The only metal that is liquid at room temperature.

What is: mercury

400

Explain why IPA burns (mention 2 specific molecules)

What is: it's made of flammable atoms, specifically carbon and hydrogen

400

The reason for adding soap when making elephant toothpaste.

What is: to trap oxygen to make foam

400

A substance with a pH less than 7

What is: an acid

500

The mixture I dipped the money into was what % IPA? 

+ 100 more points if you can explain what else was in the mixture AND why.

What is: 91% IPA 


BONUS points explanation: equal parts IPA and water. IPA burns and water absorbs heat to protect the bill

500

The OPPOSITE of an exothermic reaction

What is: endothermic reaction

500

This kind of paper changes color to tell if something is an acid or base.

What is: litmus paper