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GCSE chemistry > 2d - Reactivity Series > Flashcards

2d - Reactivity Series Flashcards

1
Q

What is the loss of electrons called?

A

Oxidation

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2
Q

What is the gain of electrons called?

A

Reduction

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3
Q

What are the 3 things needed for combustion?

A

Heat, oxygen + fuel

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4
Q

What are metal oxides?

A

bases / alkalis

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5
Q

What are non metal oxides

A

Acids

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6
Q

What does the thermal decomposition of metal carbonates produce?

A

Co2 + a metal oxide

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7
Q

Acid + metal —> ……..?

A

Acid + metal —> salt + hydrogen

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8
Q

Metal + water —> ……..?

A

Metal + water —> metal hydroxide + hydrogen

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9
Q

List the reactivity series from most reactive to least

A 
Potassium 
sodium 
lithium 
calcium, 
magnesium 
aluminium 
zinc 
iron 
copper 
silver 
gold
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10
Q

Iron + oxygen + water —> ……..?

A

Iron + oxygen + water —> hydrated iron (III) oxide (rust)

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11
Q

List methods which prevent rusting

A
  • Barrier methods
  • sacrificial coating
  • galvanising
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12
Q

Describe potassium’s reaction with water

A

Reacts violently

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13
Q

Describe sodium’s reaction with water

A

Reacts quickly

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14
Q

Describe calcium’s reaction with water

A

Reacts less strongly

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15
Q

Describe potassium’s reaction with acid

A

Reacts violently

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16
Q

Describe sodiums reaction with acid

A

Reacts violently

17
Q

Describe calcium’s reaction with acid

A

Reacts vigorously

18
Q

Describe magnesium’s reaction with acid

A

Reacts vigorously

19
Q

Describe zinc’s reaction with acid

A

Reacts less strongly

20
Q

Describe iron’s reaction with acid

A

Reacts less strongly

21
Q

Only metals above …….. in the reactivity series will react with dilute acids

22
Q

Give 2 examples of Metal displacement reactions

A
  • metal + metal oxide

- metal +aqueous solution of a metal compound

23
Q

Describe the reaction between magnesium + dilute hydrochloric acid

A
  • dissolves quickly
  • gets hot
  • gas goes pop with a lighted splint
24
Q

Describe the reaction between iron + dilute hydrochloric/sulfuric acid

A

Very slow bubbling

25
Q

Describe the reaction between zinc + dilute hydrochloric acid

A
  • bubbles

- metal slowly dissolve

26
Q

Describe the reaction between zinc + dilute sulfuric acid

A
  • colourless solution formed

- gas slowly given off

27
Q

Describe the reaction between magnesium + dilute sulfuric acid

A
  • rapid bubbling
  • metal dissolves
  • splint goes pop

GCSE chemistry (15 decks)

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