Chemistry Grade 10 Flashcards

1
Q

Synthesis

A

A + B = AB

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2
Q

Decomposition

A

AB = A + B

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3
Q

Single Displacement

A

AB + C = A + BC

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4
Q

Double Displacement

A

AB + CD = AD + CB

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5
Q

Combustion of an Element

A

Metal + Oxygen = Metal Oxide + Energy

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6
Q

Combustion of a Hydrocarbon

A

CxHy + O2 = CO2 + H2O

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7
Q

Incomplete Combustion

A

CxHy + O2 = C + CO + CO2 + H2O

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8
Q

Evidence of Hydrogen

A

Lit splint pops

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9
Q

Evidence of Oxygen

A

Glowing splint relights

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10
Q

Antacid

A

Reduces stomach acid, helping with heartburn

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11
Q

Buffer

A

A substance able to resist changes in pH

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12
Q

Releases OH

A

Base

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13
Q

Releases H

A

Acid

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14
Q

Receives H

A

Base

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15
Q

Electrolytes

A

A substance that breaks down into ions when dissolved in water

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16
Q

Products of neutralization

A

Salt, Water

17
Q

Plants remove toxins in soil

A

Phytoremediation

18
Q

When acid forming chemicals fall onto surfaces

A

Dry deposition

19
Q

Reaction w/ carbonate

A

Makes CO2

20
Q

Phenolphthalein

A

Acid - No color
Base - Pink

21
Q

Bromothymol Blue

A

Acid - Yellow
Base - Blue

22
Q

Phenol Red

A

Acid - Yellow
Base - Red/Pink

23
Q

Methyl Orange

A

Acid - Red
Base - Orange/Yellow

24
Q

Common acids

A

Acetic Acid (HC2H3O2)
Hydrochloric acid
Sulfuric acid
Carbonic Acid

25
Q

Common Bases

A

Sodium Hydroxide
Calcium hydroxide
Magnesium hydroxide

26
Q

Make acid/base

A

-Combustion of element to make an oxide
-Combine oxide with water in synthesis reaction

27
Q

Acid per. Environment impact

A

-Damage forests (Weaken trees)
-Makes soil acidic
-pH change affects aquatic ecosystem

28
Q

Acid per. economic impact

A

-Logging industry
-Fishing industry
-Structural damage

29
Q

How to prevent corrosion

A

-Protective layer (eg. paint)
-Non corrosive material
-Galvanize (Zinc layer)

30
Q

Exothermic

A

Energy is a product

31
Q

Endothermic

A

Energy is a reactant