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Chemistry Year 9 > Patterns Of Reactivity > Flashcards

Patterns Of Reactivity Flashcards

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1
Q

Can you put copper,iron and magnesium in order of reactivity

A

Magnesium,Iron,Copper

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2
Q

Magnesium+Oxygen

A

Magnesium oxide

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3
Q

Irons+Oxygen

A

Iron Oxide

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4
Q

Copper+Oxygen

A

Copper Oxide

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5
Q

Why are lithium,sodium and potassium stored under oil in their jars

A

Could react with moisture in the air

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6
Q

Calcium+water

A

Calcium hydroxide+hydrogen

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7
Q

Magnesium+water

A

Magnesium hydroxide+hydrogen

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8
Q

Copper+water

A

Nothing

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9
Q

List the metals in order of reactivity

A

Potassium,Sodium,lithium,calcium,magnesium,iron,copper

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10
Q

Aluminium+water

A

Nothing

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11
Q

Aluminium+dilute acid

A

Disintegrate

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12
Q

What is the word equation for potassium+water

A

Potassium+water->Potassium hydroxide

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13
Q

Write a word equation for magnesium and water

A

Magnesium+water->Magnesium hydroxide+hydrogen

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14
Q

What is the best way to prevent rust from a gate

A

Paint

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15
Q

What is the best way to prevent rust from a hull of the ship

A

Sacrificial protection

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16
Q

What is the best way to prevent rust from machinery

A

Oiling

17
Q

What is the best way to prevent rust from iron nails

A

Galvanise

Chemistry Year 9 (1 decks)

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