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Chemistry > Types Of Reaction > Flashcards

Types Of Reaction Flashcards

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0
Q

Acid + base

A

Salt + water

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1
Q

Acid + metal carbonate

A

Salt +water +Carbon dioxide

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2
Q

Acid + metal

A

Salt + hydrogen

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3
Q

Acid + metal oxide (base)

A

Salt +water

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4
Q

Names examples of salts

A

Sodium chloride, potassium chloride, calcium sulfate

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5
Q

Define an oxidation reaction

A

A substance gains oxygen

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6
Q

Define a reduction reaction

A

When a substance loses oxygen

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7
Q

What is combustion

A

A chemical reaction between a fuel and an oxidising agent, normally oxygen. That is exothermic. The release of heat often produces light.

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8
Q

What is thermal decomposition?

A

A substance is broken down chemically using heat to make 2 or more substances

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9
Q

Define what happens to a mass of a compound during thermal decomposition

A

The mass decreases because gas escapes

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10
Q

Are metal oxides acidic or alkaline?

A

Alkaline

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11
Q

Are non metal oxides acid. Or alkaline?

A

Acidic

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12
Q

What is the negative electrode called in electrolysis?

A

A cathode

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13
Q

What is the negative ion called?

A

Anion

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14
Q

What is the positive electrode in electryolysos?

A

Anode

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15
Q

What is a positive ion called?

A

Cation

16
Q

What is electrolysis?

A

When a high electric current is passed through a substance to separate it

17
Q

What is a physical change?

A

When no new substance is formed and the change is reversible

18
Q

What is a chemical change?

A

Is an irreversible change where a new substance is formed

19
Q

What are signs of a chemical change?

A

Change in colour, fizzing or bubbling, temperature change, sound or light produced, a solid produce and a gain or loss of mass

20
Q

What are the signs of a physical change?

A

State change

Chemistry (6 decks)

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