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C2 > C2 - B > Flashcards

C2 - B Flashcards

1
Q

What does OIL RIG mean for electrons?

A

Oxidation is loss

Reduction is gain

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2
Q

Acid + metal >

A

Metal salt + hydrogen

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3
Q

Acid + ammonia >

A

Ammonium salt

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4
Q

Acid + soluble base >

A

Metal salt + water

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5
Q

Acid + insoluble base >

A

Metal salt + water

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6
Q

What are bases?

A

Metal oxides and hydroxides

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7
Q

What is an alkali?

A

A soluble base

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8
Q

During electrolysis, which ions gain or lose electrons to form atoms?

A

Positive metal ions gain

Negative non-metal ions lose

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9
Q

What happens in neutralisation reactions?

A

Hydrogen ions and hydroxide ions react to form water

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10
Q

What does electrolysis of sodium chloride make?

A

Hydrogen, chlorine and sodium hydroxide

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11
Q

What salts come from sulfuric acid?

A

Sulphates

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12
Q

What salts come from nitric acid?

A

Nitrates

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13
Q

What salts come from hydrochloric acid?

A

Chlorides

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14
Q

How does a catalyst work?

A

By reducing the activation energy required for a reaction

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15
Q

What five factors changes the rate of a reaction?

A 
Temperature
Concentration
Pressure
Surface area
Catalyst
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16
Q

What is an exothermic reaction?

A

A reaction that releases heat into the surroundings

Shows an increase in temperature

17
Q

What is an endothermic reaction?

A

A reaction that takes in heat from the surroundings

Usually needs heat to react

C2 (3 decks)

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