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Chemistry > Reactions > Flashcards

Reactions Flashcards

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1
Q

What are some reactions of oxygen

A

Respiration
Rusting
Combustion

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2
Q

What are some uses of oxygen

A

Breathing apparatus
Welding
Rocket fuel

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3
Q

What is a catalyst

A

Something that speeds up a chemical reaction without being used up itself

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4
Q

What is the word equation for oxygen

A

Hydrogen peroxide + manganese dioxide ————> oxygen gas

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5
Q

What is the test for oxygen

A

It relights a glowing splint

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6
Q

What equipment do you need for the preparation of oxygen

A

Bung
Clamp
Test tube with side are
Boiling tube upside down in a trough of water

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7
Q

What chemicals are used in the preparation of oxygen gas

A

Hydrogen peroxide and manganese dioxide

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8
Q

What is the chemical symbol for oxygen

A

O

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9
Q

What is the test for Carbon Dioxide

A

When bubbled into lime water, the limewater turns a milky white

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10
Q

What are some uses of Carbon dioxide gas

A

Fire extinguishers
Fizzy drinks
Dry ice

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11
Q

What is the word equation for carbon dioxide

A

Acid + metal carbonate ———> salt + water + carbon dioxide

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12
Q

What is the chemical symbol for carbon dioxide

A

Co2

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13
Q

What equipment is used in the preparation of carbon dioxide gas

A

Bung
Side arm test tube
Downward delivery tube
Test tube

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14
Q

What chemicals are used in the preparation of Co2 gas

A

Acid
Marble chips
Limewater

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15
Q

What is the test for hydrogen gas

A

A burning splint makes a squeaky pop when it is put in hydrogen gas

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16
Q

What are the uses of hydrogen

A

The making of margarine
Rocket fuel
Clean fuel

17
Q

What is the word equation for the making of hydrogen

A

Hydrochloric acid + magnesium ———> salt + hydrogen

18
Q

What type of delivery tube do you use for the preparation of hydrogen gas

A

An upward delivery tube

19
Q

Why do you use an upward delivery tube in the preparation of hydrogen

A

It is less dense than air

20
Q

Exothermic

A

A reaction that gives out heat

21
Q

Endothermic

A

A reaction that takes in heat

22
Q

Oxidation

A

Oxygen added

23
Q

Reduction

A

Oxygen taken away

24
Q

Redox reaction

A

Reduction and oxidation taking place in the same reaction

Chemistry (7 decks)

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