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Quiz von 14sheibania, aktualisiert more than 1 year ago
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Erstellt von 14sheibania
vor etwa 8 Jahre
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Frage 1
Frage
What is a permanent change, that forms a new substance?
Antworten
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BOILING
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PHYSICAL
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CHEMICAL
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CRTITICAL
Frage 2
Frage
There are 7 changes that can be observed in a chemical change.
Antworten
- True
- False
Frage 3
Antworten
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evaporation
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corrosion
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sublimation
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freezing
Frage 4
Antworten
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melting
-
boiling
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evaporating
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freezing
Frage 5
Antworten
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corrosion
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condensation
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evaporation
-
freezing
Frage 6
Antworten
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evaporation
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freezing
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living
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sublimation
Frage 7
Antworten
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boiling
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evaporating
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freezing
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corrosion
Frage 8
Frage
A glass bottle breaking is a physical change
Antworten
- True
- False
Frage 9
Frage
A battery producing electrical energy in a toy car is a physical change
Antworten
- True
- False
Frage 10
Frage
What is an element
Antworten
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a single type of cell
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a single type of particle
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a single type of atom
Frage 11
Frage
What is a compound
Antworten
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random circles in a diagram
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a single element chemically joined
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2 or more elements chemically joined in fixed proportions
Frage 12
Frage
what is a mixture?
Antworten
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1 substance mixed and heated
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two or more substances physically combined and easily seperated
-
two or more substances chemically combined and easily seperated
Frage 13
Frage
A solution is a mixture of a solute dissolved in a solvent.
Antworten
- True
- False
Frage 14
Frage
what is a solute?
Antworten
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liquids that mix with each other
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the substance that dissolves in a solvent
-
the substance that dissolves in a solution
Frage 15
Frage
immiscible and miscible both have the same outcome but form in different ways
Antworten
- True
- False
Frage 16
Frage
element + [blank_start]element[blank_end] => compound
Antworten
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metal
-
element
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gas
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precipitate
Frage 17
Frage
magnesium + oxygen => [blank_start]magnesium oxide[blank_end]
Antworten
-
magnese oxide
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magnesium oxide
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magnesium dioxide
Frage 18
Frage
aluminium + iodine => [blank_start]aluminium oxide[blank_end]
Antworten
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aluminium iodide
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aluminium iodine
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alumidide
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aluminium oxide
Frage 19
Frage
hydrogen + oxygen => [blank_start]water[blank_end]
Antworten
-
hydrogen oxide
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hydroxide
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water
Frage 20
Frage
Decomposition occurs when [blank_start]one compound[blank_end] is broken down into two or more [blank_start]simpler[blank_end] substances
Antworten
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one compound
-
one atom
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simpler
-
complicated
Frage 21
Frage
Decomposition is an [blank_start]endothermic[blank_end] process because it requires energy, e.g. heat, electricity or light
Antworten
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endothermic
-
exothermic
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chemical
-
physical
Frage 22
Frage
Thermal decomposition of mercury oxide
Antworten
-
cork
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bung
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stopper
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trapezium
Frage 23
Frage
Thermal decomposition of mercury oxide
Antworten
-
mercury oxide
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liquid
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water
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box
Frage 24
Frage
Thermal decomposition of mercury oxide
Antworten
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delivery tube
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wire
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i dont actualy know
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gas tube
Frage 25
Frage
Thermal decomposition of mercury oxide
Antworten
-
heat
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endothermic
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candle
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lighter
Frage 26
Frage
Thermal decomposition of mercury oxide
Antworten
-
mercury
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oxygen
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mercury oxide
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mercury dioxide
Frage 27
Frage
Thermal decomposition of mercury oxide
Antworten
-
condensation
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good question, but i really dont know
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water
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heat
Frage 28
Frage
Thermal decomposition of mercury oxide
Antworten
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gas collected
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air collected
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circles
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???????????
Frage 29
Frage
What is the test for water?
Antworten
-
lit splint relights
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lime water turns cloudy
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blue cobalt chloride paper turns pink
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pink cobalt chloride paper turns blue
Frage 30
Frage
anhydrous means 'contains water'
Antworten
- True
- False
Frage 31
Frage
what is the test for oxygen
Antworten
-
putting out lit splint
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splint relights
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clear colourless lime water turns cloudy
Frage 32
Frage
what is thermal decomposition?
Antworten
-
when heat leaves an object
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when heat enters an object
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when a substance is broken down using heat, into 2 or more simpler substances
-
when a compound is broken down using heat into 2 or more simpler substances
Frage 33
Frage
Thermal decomposition of copper carbonate
Antworten
-
delivery tube
-
gas tube
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stick
-
wire
Frage 34
Frage
Thermal decomposition of copper carbonate
Antworten
-
limewater
-
water
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salt water
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copper residue
Frage 35
Frage
Thermal decomposition of copper carbonate
Antworten
-
copper carbonate
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copper
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copper balls
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stuff
Frage 36
Frage
how do you prepare oxygen
Antworten
-
breath
-
boil water
-
thermally decompose hydrogen peroxide
-
thermally decompose hydrogen dioxide
Frage 37
Antworten
-
thistle funnel
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glass funnel
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decomposition funnel
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calcium
Frage 38
Frage
What are the three properties of oxygen?
Antworten
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colourless and odorless
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slightly soluble in water
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more dense than air
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clear liquid
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less dense than air
Frage 39
Frage
Oxidation is the chemical reaction of a substance with [blank_start]oxygen[blank_end].
An oxidation reaction in which energy is given out is called [blank_start]combustion[blank_end].
Antworten
-
oxygen
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energy
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air
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water
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combustion
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oxidation
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a reaction
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fire
Frage 40
Antworten
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magnesium, MG
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phosphorus, P
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sulphur, S
Frage 41
Antworten
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sodium, NA
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sodium, S
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carbon C
Frage 42
Antworten
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carbon, C
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carbon ,K
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carbon, CA
Frage 43
Antworten
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sulphur, S
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sodium, S
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Oxygen, O
Frage 44
Antworten
-
phosphorus, P
-
phosphorus, K
-
pentoxide
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