2.2 Reactions of Carbonates Flashcards

1
Q

What happens to all metal carbonates when heated?

A

They decompose to make a metal oxide and carbon dioxide

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2
Q

What do all carbonates react with acids to produce?

A

A salt, carbon dioxide and water

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3
Q

What can a bunsen burner not get hot enough to decompose?

A

Sodium carbonate or potassium carbonate

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4
Q

Why is limestone damaged by acid rain?

A

Because the calcium carbonate in the limestone reacts with the acid in the rain

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5
Q

What is calcium hydroxide called?

A

Limewater

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6
Q

What is limewater used to test for?

A

Carbon dioxide

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7
Q

What happens to the limewater if carbon dioxide is present?

A

The limewater turns cloudy

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8
Q

Why does the limewater turn cloudy?

A

Because it reacts with carbon dioxide to produce insoluble calcium carbonate

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