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Chemsitry > Patterns Of Reactivity > Flashcards

Patterns Of Reactivity Flashcards

1
Q

Metal+oxide=

A

Metal oxide

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2
Q

Colour and description when copper is burned

A

Piece of copper turns black

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3
Q

Colour when iron is burned

A

Orange sparks

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4
Q

Colour when magnesium is burned

A

Bright white light

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5
Q

Order of reactivity most to least
Iron,magnesium,copper

A

Magnesium,copper,iron

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6
Q

What does potassium do when in contact with water

A

It catches fire and burns a lilac flame

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7
Q

What does sodium do when in contact with water

A

Sodium reacts vigorously and moves across the water

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8
Q

Why are sodium and potassium stored under oil in jars

A

They could react which the water/moisture in the air

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9
Q

Metal+water=

A

Metal hydroxide+ hydrogen

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10
Q

What happens when calcium reacts with water

A

Sinks and rises, bubbles of gas, vigorous reaction, calcium disappears at the end of the

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11
Q

What is the reaction of magnesium with water

A

A few bubbles of gas, reacts slowly

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12
Q

What is the reaction of copper with water

A

It doesn’t react

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13
Q

Calcium+water=

A

Calcium hydroxide+ hydrogen

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14
Q

Metal+acid=

A

Salt+hydrogen

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15
Q

What is produced when a metal reacts with a acid

A

Hydrogen gas and a salt

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16
Q

Which metals would you not put into acid

A

Potassium,sodium,lithium because they’re explosive

17
Q

What is the reaction of aluminium with water and acid

A

With water it reacts slowly but with acid it reacts vigorously

18
Q

List metals so far from most reactive to least reactive

A

Potassium
Sodium.
Lithium.
Calcium
Magnesium
Aluminium
Zinc
Iron
Tim
Lead
Copper
Silver
Gold

19
Q

What does aluminium have that most metals don’t

A

It has a coating of aluminium oxide on its surface which prevents it from reacting quickly

20
Q

Magnesium+sulfuric acid=

A

Magnesium sulfate+hydrogen

Chemsitry (4 decks)

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