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Chemistry > 3.1 introduction > Flashcards

3.1 introduction Flashcards

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1
Q

What is waters chemical compound

A

H20

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2
Q

What is Ammonia chemical compound

A

NH3

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3
Q

what is Hydrochloric acid Chemical compound

A

HCL

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4
Q

what is Sulphuric acid Chemical compound

A

H2SO4

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5
Q

what is Methane Chemical compound

A

CH4

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6
Q

what is Sodium Hydroxide Chemical compound

A

NaOH

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7
Q

what is Potassium Hydroxide Chemical compound

A

KOH

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8
Q

what is Ammonium Hydroxide Chemical compound

A

NH4OH

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9
Q

what is Carbon dioxide Chemical compound

A

CO2

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10
Q

what is Carbon monoxide Chemical compound

A

CO

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11
Q

what is Sulphur dioxide Chemical compound

A

SO2

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12
Q

How would you describe a PH level above a 7

A

Alkaline

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13
Q

How would you describe a PH level below a 7

A

Acidic

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14
Q

How would you describe a PH level equal to a 7

A

Neutral

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15
Q

What colour is Methane orange in acid

A

Red

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16
Q

What colour is Methane orange in Alkaline

A

yellow

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17
Q

What colour is Methane orange in neutral

A

Yellow

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18
Q

What colour is Phenolphthalein in acid

A

Colourless

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19
Q

What colour is Phenolphthalein in Neutral

A

Colourless

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20
Q

What colour is Phenolphthalein in Alkaline

A

Pink

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21
Q

What colour is Red litmus paper in Acid

A

Red

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22
Q

What colour is Red litmus paper in Neutral

A

Stays red

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23
Q

What colour is Red litmus paper in Alkaline

A

Blue

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23
Q

what colour is Blue litmus paper in Acid

A

Red

23
Q

what colour is Blue litmus paper in Neutral

A

Blue

24
Q

what colour is Blue litmus paper in alkaline

A

stays Blue

25
Q

What is a description of particles in a Solid

A

Ordered structure
close together
Vibrates around a fixed position

26
Q

What is a description of particles in a Liquid

A

Radom structure
close together
Move freely past each other

27
Q

What is a description of particles in a Gas

A

Radom structure
far apart
move freely in all different directions

28
Q

What is the process called when it goes from a solid to a liquid

A

Melting

29
Q

What is the process called when it goes from a Liquid to a solid

A

freezing

30
Q

What is the process called when it goes from a liquid to a gas

A

Evaporation/ Vaporizing

30
Q

What is the process called when it goes from a Gas to a Liquid

A

Condensing

30
Q

What is the process called when it goes from a solid to a gas

A

Sublimation

30
Q

What is the process called when it goes from a gas to a solid

A

deposition

30
Q

When a solid is heated to its melting point what happens

A

The particles gain kinetic energy

Until the particles have enough energy to overcome the forces holding them together.

the particles start to move past each other forming a liquid

31
Q

When a gas is cooled to it’s boiling point what happens

A

The particles lose Kinetic energy, moving more slowly

forces of attraction start to form between particles

the forces start to hold the particles together as a liquid

31
Q

How can you tell if something is a pure substance

A

single sharp boiling and melting point

31
Q

What kind of boiling point does a Mixture have

A

A mixture will melt and boil over a range of temperatures

32
Q

what is a compound

A

Different atoms which are chemically bonded together

33
Q

What is an Element

A

Only one kind of atom

34
Q

what is a pure substance

A

All the particles are the same

35
Q

What is a mixture

A

Contains different particles

36
Q

What is the test for water

A

Anhydrous copper (II) Sulphate tuns from white to blue

36
Q

What are two physical test that let you know it is pure water

A

Boils at 100c
melts at 0c

36
Q

What are Properties of a metal

A

shiny
malleable
electrical conductors
High MP/BP
Form Alkaline oxides

36
Q

What are Properties of a Non-Metal

A

Dull
Brittle
low MP/BP
Electrical Insulators
Form Acid oxides

37
Q

Which side of the periodic table are Metals

A

Left
right- non metals

38
Q

What is an observation of Magnesium

A

Bright white light and white powder formed

39
Q

What is an observation of Hydrogen

A

squeaky pop

40
Q

What is an observation of Sulphur

A

Blue flame

41
Q

What is the percentage of nitrogen in the air

A

78%

42
Q

What is the percentage of Oxygen in the air

A

21%

43
Q

What is the percentage of Argon

A

0.96%

44
Q

What is the percentage of Carbon Dioxide

A

0.04%

45
Q

What colour is copper Carbonate

A

Green solid

46
Q

What colour is copper oxide

A

Black solid

47
Q

What colour is carbon dioxide

A

Colourless gas

Chemistry (12 decks)

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