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science > Unit 3: Chemical Composition Common ECMs > Flashcards

Unit 3: Chemical Composition Common ECMs Flashcards

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Biology 101 flashcards
1
Q

Air

A

Mixture
78% Nitrogen (N), 21% Oxygen (O), and other gases

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2
Q

Brass

A

Mixture
Copper (Cu), Zinc (Zn)

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3
Q

Bronze

A

CuSn
Mixture
Copper (Cu), Tin (Sn)

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4
Q

Carbon Dioxide

A

CO2
Compound
Carbon (C), Oxygen (O)

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5
Q

Coal

A

CH
Mixture
Carbon (C), Hydrogen (H)

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6
Q

Copper (II) sulfate

A

CuSO4
Compound
Copper (Cu), Sulfur (S), Oxygen (O)

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7
Q

Magnesium Oxide

A

MgO
Compound
Magnesium (Mg), Oxygen (O)

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8
Q

Oil
(petrol, crude oil etc.)

A

C8H18
Mixture
Carbon (C), Hydrogen (H)

pure petrol (100%) is compound

higher grade of petrol = higher purity

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9
Q

Ozone

A

O3
Compound
Oxygen (O)

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10
Q

Sand

A

SiO2
Compound
Silica (Si), Oxygen (O)

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11
Q

Sea Water/Table Salt (Sodium Chloride)

A

NaCl
Compound
Sodium (Na), Chloride (Cl)

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12
Q

Soft Drinks

A

Mixture
Carbon Dioxide (CO2) in water (H2O)

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13
Q

Steel

A

Mixture
Iron (Fe), Tin (Sn)

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14
Q

Sugar

A

C12H22O11
Compound
Carbon (C), Hydrogen (H), Oxygen (O)

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15
Q

Water

A

H2O
Compound
Hydrogen (H), Oxygen (O)

Tap water is mixture

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16
Q

Vinegar (ethanoic acid)

A

CH₃COOH
Mixture
Carbon (C), Hydrogen (H) Oxygen (O)

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17
Q

Chloroform (from ab)

A

CHCl3
Compound
Hydrogen (H), Chlorine (Cl), Carbon (C)

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18
Q

Sulfuric acid (from ab)

A

H2SO4
Compound
Hydrogen (H), Oxygen (O), Sulfur (S)

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19
Q

Hydrochloric acid (from ab)

A

HCl
Compound
Hydrogen (H), Chlorine (Cl)

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20
Q

Ammonia (from ab)

A

NH3
Compound
Hydrogen (H), Nitrogen (N)

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21
Q

Asbestos (from ab)

A

Mixture

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22
Q

Ethanol (from ab)

A

C2H6O
Compound
Carbon (C), Hydrogen (H), Oxygen (O)

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23
Q

Melamine

A

C3H6N6
Compound
Carbon (C), Hydrogen (H), Nitrogen (N)

24
Q

Potassium

A

K

25
Q

Sodium

A

Na

26
Q

Chlorine

A

Cl

27
Q

Silicon

A

Si

28
Q

Calcium

A

Ca

29
Q

Nitrogen

A

N

30
Q

Sulfur

A

S

31
Q

Oxygen

A

O

32
Q

Copper

A

Cu

33
Q

Iron

A

Fe

34
Q

Lead

A

Pb

35
Q

Bromine

A

Br

36
Q

Lithium

A

Li

37
Q

Argon

A

Ar

38
Q

Nickel

A

Ni

39
Q

Platinum

A

Pt

40
Q

Gold

A

Au

41
Q

Magnesium

A

Mg

42
Q

Phosphorus

A

P

43
Q

Silver

A

Ag

44
Q

Mercury

A

Hg

45
Q

Zinc

A

Zn

46
Q

Helium

A

He

47
Q

Carbon

A

C

48
Q

Fluorine

A

F

49
Q

Neon

A

Ne

50
Q

Diamond (soild form of carbon)

A

C

51
Q

Aluminium

A

Al

52
Q

Cobalt

A

Co

53
Q

Titanium

A

Ti

54
Q

Tungsten

A

W

55
Q

O2

A

molecule

56
Q

Br2

A

molecule

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