5225319
Descrição
Quiz por 14sheibania, atualizado more than 1 year ago
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Criado por 14sheibania
aproximadamente 8 anos atrás
|
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Questão 1
Questão
What is a permanent change, that forms a new substance?
Responda
-
BOILING
-
PHYSICAL
-
CHEMICAL
-
CRTITICAL
Questão 2
Questão
There are 7 changes that can be observed in a chemical change.
Responda
- True
- False
Questão 3
Responda
-
evaporation
-
corrosion
-
sublimation
-
freezing
Questão 4
Responda
-
melting
-
boiling
-
evaporating
-
freezing
Questão 5
Responda
-
corrosion
-
condensation
-
evaporation
-
freezing
Questão 6
Responda
-
evaporation
-
freezing
-
living
-
sublimation
Questão 7
Responda
-
boiling
-
evaporating
-
freezing
-
corrosion
Questão 8
Questão
A glass bottle breaking is a physical change
Responda
- True
- False
Questão 9
Questão
A battery producing electrical energy in a toy car is a physical change
Responda
- True
- False
Questão 10
Questão
What is an element
Responda
-
a single type of cell
-
a single type of particle
-
a single type of atom
Questão 11
Questão
What is a compound
Responda
-
random circles in a diagram
-
a single element chemically joined
-
2 or more elements chemically joined in fixed proportions
Questão 12
Questão
what is a mixture?
Responda
-
1 substance mixed and heated
-
two or more substances physically combined and easily seperated
-
two or more substances chemically combined and easily seperated
Questão 13
Questão
A solution is a mixture of a solute dissolved in a solvent.
Responda
- True
- False
Questão 14
Questão
what is a solute?
Responda
-
liquids that mix with each other
-
the substance that dissolves in a solvent
-
the substance that dissolves in a solution
Questão 15
Questão
immiscible and miscible both have the same outcome but form in different ways
Responda
- True
- False
Questão 16
Questão
element + [blank_start]element[blank_end] => compound
Responda
-
metal
-
element
-
gas
-
precipitate
Questão 17
Questão
magnesium + oxygen => [blank_start]magnesium oxide[blank_end]
Responda
-
magnese oxide
-
magnesium oxide
-
magnesium dioxide
Questão 18
Questão
aluminium + iodine => [blank_start]aluminium oxide[blank_end]
Responda
-
aluminium iodide
-
aluminium iodine
-
alumidide
-
aluminium oxide
Questão 19
Questão
hydrogen + oxygen => [blank_start]water[blank_end]
Responda
-
hydrogen oxide
-
hydroxide
-
water
Questão 20
Questão
Decomposition occurs when [blank_start]one compound[blank_end] is broken down into two or more [blank_start]simpler[blank_end] substances
Responda
-
one compound
-
one atom
-
simpler
-
complicated
Questão 21
Questão
Decomposition is an [blank_start]endothermic[blank_end] process because it requires energy, e.g. heat, electricity or light
Responda
-
endothermic
-
exothermic
-
chemical
-
physical
Questão 22
Questão
Thermal decomposition of mercury oxide
Responda
-
cork
-
bung
-
stopper
-
trapezium
Questão 23
Questão
Thermal decomposition of mercury oxide
Responda
-
mercury oxide
-
liquid
-
water
-
box
Questão 24
Questão
Thermal decomposition of mercury oxide
Responda
-
delivery tube
-
wire
-
i dont actualy know
-
gas tube
Questão 25
Questão
Thermal decomposition of mercury oxide
Responda
-
heat
-
endothermic
-
candle
-
lighter
Questão 26
Questão
Thermal decomposition of mercury oxide
Responda
-
mercury
-
oxygen
-
mercury oxide
-
mercury dioxide
Questão 27
Questão
Thermal decomposition of mercury oxide
Responda
-
condensation
-
good question, but i really dont know
-
water
-
heat
Questão 28
Questão
Thermal decomposition of mercury oxide
Responda
-
gas collected
-
air collected
-
circles
-
???????????
Questão 29
Questão
What is the test for water?
Responda
-
lit splint relights
-
lime water turns cloudy
-
blue cobalt chloride paper turns pink
-
pink cobalt chloride paper turns blue
Questão 30
Questão
anhydrous means 'contains water'
Responda
- True
- False
Questão 31
Questão
what is the test for oxygen
Responda
-
putting out lit splint
-
splint relights
-
clear colourless lime water turns cloudy
Questão 32
Questão
what is thermal decomposition?
Responda
-
when heat leaves an object
-
when heat enters an object
-
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
Questão 33
Questão
Thermal decomposition of copper carbonate
Responda
-
delivery tube
-
gas tube
-
stick
-
wire
Questão 34
Questão
Thermal decomposition of copper carbonate
Responda
-
limewater
-
water
-
salt water
-
copper residue
Questão 35
Questão
Thermal decomposition of copper carbonate
Responda
-
copper carbonate
-
copper
-
copper balls
-
stuff
Questão 36
Questão
how do you prepare oxygen
Responda
-
breath
-
boil water
-
thermally decompose hydrogen peroxide
-
thermally decompose hydrogen dioxide
Questão 37
Responda
-
thistle funnel
-
glass funnel
-
decomposition funnel
-
calcium
Questão 38
Questão
What are the three properties of oxygen?
Responda
-
colourless and odorless
-
slightly soluble in water
-
more dense than air
-
clear liquid
-
less dense than air
Questão 39
Questão
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].
Responda
-
oxygen
-
energy
-
air
-
water
-
combustion
-
oxidation
-
a reaction
-
fire
Questão 40
Responda
-
magnesium, MG
-
phosphorus, P
-
sulphur, S
Questão 41
Responda
-
sodium, NA
-
sodium, S
-
carbon C
Questão 42
Responda
-
carbon, C
-
carbon ,K
-
carbon, CA
Questão 43
Responda
-
sulphur, S
-
sodium, S
-
Oxygen, O
Questão 44
Responda
-
phosphorus, P
-
phosphorus, K
-
pentoxide
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