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Science > Chemistry Gr.10 T1 > Flashcards

Chemistry Gr.10 T1 Flashcards

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1
Q

What is a variable?

A

Any factor or condition that can exist in different amounts or types.

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2
Q

What are 6 properties that materials can have?

A
  1. Strength
  2. Thermal and electrical conductivity
  3. Brittleness, malleability, ductility
  4. Magnetic/ non-magnetic
  5. Density
  6. Melting and boiling point
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3
Q

What 2 types of matter do you get?

A

Mixtures

Pure substance

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4
Q

What 2 types of mixtures are there?

A

Homogeneous mixtures

Heterogeneous mixtures

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5
Q

What 2 types of pure substances are there?

A

Elements

Compounds

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6
Q

What would water be an example of?

A

A compound

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7
Q

What would wine be an example of?

A

A homogeneous mixture

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8
Q

What would iron be an example of?

A

An element

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9
Q

What would cream soda be an example of?

A

A heterogeneous mixture. (Because of the bubbles)

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10
Q

What 2 types of heterogeneous mixtures are there?

A

Suspensions and emulsions

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11
Q

What is the difference between emulsions and suspensions?

A

Suspension: solid in a liquid

Emulsion: liquid in a liquid

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12
Q

How does one separate salt from water?

A

Evaporation

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13
Q

How do you separate iron from sulphur?

A

Magnetism

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14
Q

How does one separate coloured ink?

A

Chromatography

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15
Q

What is a compound?

A

Different atoms bonded in fixed ratios.

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16
Q

What is an element?

A

Only one type of atom.

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17
Q

What is a physical change?

A

When parts of the mixture that are separated still keep their properties.

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18
Q

Name the formula and common name of calcium carbonate.

A

CaCO
3

Marble, limestone, chalk

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19
Q

Name the formula and common name of sodium nitrate

A

NaNO
3

Chile saltpetre

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20
Q

Name the formula of zinc sulphate.

A

ZnSO
4

No common name

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21
Q

Name the formula and common name of sodium chloride

A

NaCl

Table salt

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22
Q

Name the formula of copper (||) chloride.

A

CuCl
2

No common name

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23
Q

What is the formula for chalk?

A

CaCO

3

24
Q

What is the formula for chile saltpetre

A

NaNO

3

25
Q

What is the formula for table salt?

A

NaCl

26
Q

Name the formula of calcium chloride.

A

CaCl
2

No common name

27
Q

Name the formula of sodium bromide

A

NaBr

No common name

28
Q

Name the formula of sodium oxide.

A

Na O
2

No common name

29
Q

Name the formula and common name of hydrogen chloride.

A

HCl

Hydrochloric acid

30
Q

Name the formula and common name of hydrogen nitrate

A

HNO
3

Nitric acid

31
Q

Name the formula and common name of dihydrogen sulphate

A

H SO
2 4

Sulfuric acid

32
Q

Name the formula and common name of calcium oxide

A

CaO

Quicklime

33
Q

Name the formula of copper (||) oxide

A

CuO

No common name

34
Q

Name the formula of sodium oxide.

A

Na O
2

No common name

35
Q

Name the formula and common name of calcium hydroxide

A

Ca(OH)
2

Slaked lime

36
Q

Name the formula and common name of sodium hydroxide

A

NaOH

Caustic soda

37
Q

What is the formula for caustic soda?

A

NaOH

38
Q

What is the formula for slaked lime?

A

Ca(OH)

2

39
Q

What is the formula for quicklime?

A

CaO

40
Q

What is the formula for sulfuric acid?

A

H SO

2. 4

41
Q

What is the formula for nitric acid?

A

HNO

3

42
Q

What is the formula for hydrochloric acid?

A

HCl

43
Q

What is the difference between a symbol and a formula?

A

Elements have symbols.

Compounds have formulas with the amount of each element in the compound.

44
Q

What are the 3 types of ions?

A

Metal ions

Non-metal ions

Polyatomic ions

45
Q

What are the 3 types of molecules in terms of conductivity?

A

Metals

Non-metals

Metalloids

46
Q

What are the 3 ferromagnetic elements?

A

Iron

Cobalt

Nickel

47
Q

What is Brownian motion?

A

The jerky, random motion of particles because of collisions.

48
Q

What is diffusion?

A

The movement of a fluid from a high concentration to a low concentration.

49
Q

What 2 things does the state of a substance depend on?

A

Kinetic energy of its particles

Intermolecular forces between its particles

50
Q

What does kinetic energy in a particle do?

A

It determines how much particles move.

51
Q

What does intermolecular force do?

A

It holds particles together.

52
Q

What is temperature?

A

A measure of a particle’s average kinetic energy.

53
Q

What are the 4 steps of the kinetic molecular theory?

A
  1. Particles gain kinetic energy.
  2. Particles move faster
  3. Particles have enough energy to break intermolecular forces
  4. Particles move further apart (phase change)
54
Q

What do you call it when a solid becomes a gas?

A

Sublimation

55
Q

What is a melting point?

A

The temperature at which a solid becomes a liquid.

56
Q

What is the Kinetic Molecular Theory?

A

A theory that explains observed changes of state in terms of position and speed of the particles.

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