Reactivity series and gases in the atmosphere Flashcards

1
Q

What percent of oxygen is there in the atmosphere?

A

21%

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2
Q

What percent of nitrogen is there in the atmosphere?

A

78%

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3
Q

What type of gas is carbon dioxide?

A

A greenhouse gas

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4
Q

What is the thermal decomposition of copper carbonate?

A

copper carbonate —–> copper oxide + carbon dioxide

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5
Q

State the definition of oxidation

A

The gain of oxygen or loss of electrons, by a substance during a chemical reaction

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6
Q

State the definition of reduction

A

The loss of oxygen or gain of electrons, by a substance during a chemical reaction

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7
Q

State the definition of redox

A

A chemical reaction where reduction and oxidation take place at the same time

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8
Q

State the definition of an oxidising agent

A

The chemical that causes oxidation

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9
Q

State the definition of a reducing agent

A

Causes the other chemical to be reduced

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