Reactions When Substances Burn Flashcards

1
Q

What is burning

A

Burning is a chemical reaction that requires oxygen (or air )

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2
Q

What is air

A

Air is a mixture of gases

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3
Q

What are these mixtures

A

78 nitrogen 21 oxygen and 1 other gases

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4
Q

What is the word equation for burning

A

Substance+oxygen->substance oxide

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5
Q

Which three elements don’t give dioxides

A

Carbon,sulfur and nitrogen

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