Chemistry Flashcards by Maria Fernando | Brainscape

Q

Burning things uses what gas?

A

Oxygen

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Q

What is denser water or oil?

A

Water

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Q

What is rust made out of?

A

Iron oxide

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Q

The periodical sign for oxygen is what?

A

O2

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Q

What gas is made when you mix vinegar and sodium bicarbonate

A

Carbon Dioxide

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Q

The periodical sign for carbon dioxide is what?

A

Co2

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Q

Rust is made out of what?

A

Iron oxide

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