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May Exam Year 9 Chemistry > Patterns Of Reactivity > Flashcards

Patterns Of Reactivity Flashcards

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1
Q

Equation for metal and oxygen

A

Metal + oxygen —> metal oxide

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2
Q

Copper + oxygen

A

Copper oxide

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3
Q

Iron + oxygen

A

Iron oxide

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4
Q

Magnesium + oxygen

A

Magnesium oxide

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5
Q

Metals + water

A

Metal hydroxide + hydrogen

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6
Q

Metal + water

A

Metal hydroxide + hydrogen

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7
Q

What happens when potassium reacts with water

A

It’s and alkali, gives off steam, gives off heat, reacts the quickest

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8
Q

What happens when sodium reacts with water

A

Alkali, gives off steam , gives off heat

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9
Q

Safety precautions

A

Safety goggles
Tongs
Stand away from reaction
If crowded put up screen protector

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10
Q

Lithium + water

A

Lithium hydroxide + hydrogen

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11
Q

Metal + acid

A

Metal + acid —> salt + hydrogen

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12
Q

Reactivity series

A

Potassium
Sodium
Lithium
Calcium
Magnesium
Aluminium
Zinc
Iron
Copper
Silver
Gold
Memoric - please send little Charlie’s monkeys and zebras in cages securely guarded

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13
Q

Magnesium + sulphuric acid —>

A

Magnesium sulphate + hydrogen

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14
Q

What is a displacement reaction

A

When a more reactive metal will replace a less reactive metal in a compund

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15
Q

Magnesium + copper sulphate

A

Magnesium sulphate + copper

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16
Q

What metal rusts

A

Iron

17
Q

Iron + water + oxygen

A

Hydrated iron oxide

18
Q

Conditions needed to rust

A

Oxygen and moisture

19
Q

What is galvanising

A

When iron objects are coated with a more reactive metal such as zinc or chromium

20
Q

What is a plastic coating

A

When iron is coated with plastic to prevent air and moisture reaching the iron

21
Q

What does painting and oiling do

A

Performs a protective barrier

May Exam Year 9 Chemistry (4 decks)

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