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Chemistry > Chemical reations > Flashcards

Chemical reations Flashcards

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1
Q

Reactions with oxygen

A

Metal + Oxygen –> Metal oxide

Non-metal + Oxygen = Non-metal oxide

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2
Q

Reactions with acid

A

Metal + Acid –> Salt + Hydrogen

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3
Q

Reactions with water

A

Metal + Water –> Metal hydroxide + Hydrogen (reactive metal)

Metal + Water –> Metal oxide + Hydrogen (less reactive metal)

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4
Q

Neutralization reactions

A

Acid + Alkali –> Salt + Water

Acid + Base –> Salt + Water

Acid + Metal Carbonate –> Salt + Water + Carbon dioxide

Acid + Hydrogen carbonate –> Salt + Water + Carbon dioxide

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5
Q

Thermal Decomposition- using heat to break down a compound

A

Metal Carbonate –> Metal oxide + Carbon dioxide

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6
Q

Oxygen?

A

Light a glowing splint and put it at the mouth of a test tube, if the splint relights oxygen is present

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7
Q

Hydrogen?

A

Light a lit splint and put it at the mouth of test tube, if you hear pop hydrogen is present.

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8
Q

Carbon dioxide?

A

Bubble carbon dioxide in lime water if it turns milky carbon dioxide is present

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9
Q

Ammonia?

A

Heat the substance in the test tube and put red litmus paper at the mouth of the test tube if the litmus paper turns blue ammonia is present

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10
Q

Chlorine?

A

Put blue litmus paper in a test tube if it turns from blue, to pink to white chlorine is present.

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11
Q

Hydroxide

A

OH^-

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12
Q

Ammonium

A

NH4^+

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13
Q

Carbonate

A

CO3^2-

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14
Q

Nitrate

A

NO3^-

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15
Q

Sulfate

A

SO4^2-

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16
Q

How to test the purity of water?

A

Boil water to its boiling point (100o) if it boils at this point it is pure water

17
Q

What is being used to measure the water being evaporated?

A

Thermometer

18
Q

Anhydrous?

A

When water is added anhydrous it turns blue (hydrated salt)

19
Q

Combustion?

A

Burning

20
Q

Alkalid?

A

Proton acceptor (is either metal hydroxide or metal oxide)

21
Q

Acid?

A

Proton donar

22
Q

Diatomic?

A

2 atoms (HONG7)

23
Q

Oxygen & magnesium

A

Magnesium oxide

24
Q

Oxygen & hydrogen

A

Hydroxide Sulfur dioxide

25
Q

Oxygen & sulfur

A

Calcium chloride + hydrogen

26
Q

Hydrochloric acid + calcium

A

Magnesium chloride + hydrogen

27
Q

Hydrochloric acid + magnesium

A

Calcium chloride + water + carbon dioxide

28
Q

Hydrochloric acid + calcium carbonate

A

Magnesium sulphate + hydrogen

29
Q

Sulfuric acid + magnesium

A

Magnesium sulphate + hydrogen

30
Q

Sulfuric acid + calcium

A

Calcium sulphate + hydrogen

31
Q

Zinc

A

Zn^2+

32
Q

Cu

A

Cu^2+

33
Q

Ag

A

Ag^+

34
Q

Fe

A

Fe^2+

35
Q

Fe

A

Fe^3+

36
Q

Displacement reaction

A

When a more reactive metal removes and replaces a less reactive element from a compound

Chemistry (12 decks)

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