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GCSE CCEA Chemistry unit 2 And 3 > Metals And Reactivity Series > Flashcards

Metals And Reactivity Series Flashcards

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1
Q

What is the order of the GCSE reactivity series?

A

Potassium
Sodium
Calcium
Magnesium
Aluminium
(Carbon)
Zinc
Iron
Tin
Lead
(Hydrogen)
Copper
Silver
Gold
Platinum

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2
Q

What are the observations in a reaction between potassium and cold water (8)

A
  1. Lilac flame produced
  2. Potassium melts into a tiny ball
  3. Potassium floats and spins on the surface of the water (most vigorously)
  4. Effervescence/fizzing
  5. Heat released (seen through steam)
  6. Potassium disappears quickly
  7. Colourless solution produced
  8. Crackles at the end/ chance to produce a small explosion
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3
Q

What are the observations in a reaction between sodium and cold water (6/7)

A
  1. Sodium melts into a tiny ball
  2. Sodium floats and spins on water surface (slightly less vigorously than potassium)
  3. Effervescence/fizzing
  4. Heat released (seen through steam)
  5. Disappears at the end
  6. Colourless solution formed
    +7. Chance to ignite with an orange flame (depends on volume of metal)
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4
Q

What are the observations in a reaction between calcium and cold water (5)

A
  1. Sinks then rises
  2. Bubbles
  3. Heat released
  4. Ca disappears
  5. Colourless solution with a white precipitate (calcium hydroxide - slightly soluble)
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5
Q

What are the observations for the reaction of magnesium with oxygen?

A
  • Bright white flame
  • White solid
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6
Q

What are the observations for the reaction of iron with oxygen?

A
  • Burns with orange sparks
  • Black solid (iron 2)
  • or orange-brown solid (iron 3)
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7
Q

What are the observations for the reaction of calcium with oxygen?

A
  • Brick-red flame
  • White solid
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8
Q

What are the observations for the reaction of sodium with oxygen?

A
  • Orange-yellow flame
  • White solid
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9
Q

What is the observation in a reaction between magnesium and cold water

A

A few bubbles of gas over a long period of time

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10
Q

What are the observations for the reaction of potassium with oxygen? (2)

A
  • Lilac flame
  • White solid
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11
Q

What are the observations in a reaction between magnesium and steam (3)

A
  • Bright white light
  • Heat given out
  • White solid formed
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12
Q

What are the observations in a reaction between aluminium and steam (2)

A

Oxide layer must be removed
- Powdered aluminium reacts to give white solid
- Heat released

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13
Q

What are the observations in a reaction between zinc and steam (2)

A
  • Powdered zinc reacts to form yellow solid which cools to white
  • Heat released
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14
Q

What are the observations for the reaction of aluminium with oxygen? (2)

A
  • Burns only when finely powdered
  • White solid
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15
Q

What are the observations for the reaction of zinc with oxygen?

A
  • yellow solid -> white on cooling
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16
Q

What are the observations for the reaction of copper with oxygen? (3)

A
  • Glows red
  • Blue-green flame
  • Becomes covered with a black layer (Black Solid)
17
Q

What is a displacement reaction?

A

When a more reactive metal takes the place of a less reactive metal in a compound

18
Q

What is the observation in a reaction between iron and steam

A

powdered iron reacts to form a black solid

19
Q

What is observed in displacement reactions with copper(II) sulfate? (3)

A
  • Heat is released
  • Red-brown solid copper is deposited
  • Blue-green colour of copper ions fades
20
Q

What is an ore?

A

A rock that contains a metal compound from which the metal can be extracted

21
Q

When is reduction with carbon used over electrolysis when extracting metals?

A

When a metal is less reactive than carbon, but more reactive than hydrogen

22
Q

What are the observations for the reaction of potassium with oxygen?

A
  • Lilac flame
  • White solid
23
Q

What are the observations for the reaction of aluminium with oxygen?

A

(Burns only when finely powdered)
- White solid

24
Q

What are the observations for the reaction of zinc with oxygen?

A
  • Yellow solid -> White on cooling
25
Q

What are the observations for the reaction of copper with oxygen? (3)

A
  • Glows red
  • Blue-green flame
  • Becomes covered with black layer
26
Q

What is a salt (2)

A
  • when an acid has it’s hydrogen cations
  • replaced by metal or ammonium cations

GCSE CCEA Chemistry unit 2 And 3 (10 decks)

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