2469942
Beschreibung
Quiz von Oliver Cusack, aktualisiert more than 1 year ago
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Erstellt von Oliver Cusack
vor etwa 9 Jahre
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Frage 1
Frage
In a flame, lithium compounds turn it .......
Antworten
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Lilac
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Green
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Yellow
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Crimson
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Red
Frage 2
Frage
In a flame, Sodium compounds turn it .......
Antworten
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Crimson
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Lilac
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Yellow
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Green
-
Red
Frage 3
Frage
In a flame, potassium compounds turn it ....
Antworten
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Green
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Lilac
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Red
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Crimson
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Yellow
Frage 4
Frage
In a flame, calcium compounds turn it...
Antworten
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Red
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Green
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Crimson
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Yellow
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Lilac
Frage 5
Frage
In a flame, barium compounds turn it .....
Antworten
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Yellow
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Lilac
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Crimson
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Red
-
Green
Frage 6
Frage
How can Halide ions be tested?
Antworten
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Flame test
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With Sodium Hydroxide
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Bromine Test
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With Silver Nitrate
Frage 7
Frage
Silver Chloride is a ........ precipitate.
Antworten
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White
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Cream
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Pale yellow
Frage 8
Frage
Silver Bromide is a ...... precipitate
Antworten
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Cream
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White
-
Pale yellow
Frage 9
Frage
Silver Iodide is a .......... precipitate.
Antworten
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Cream
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White
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Pale yellow
Frage 10
Frage
One can test for aluminium ions, calcium ions and magnesium ions with ......
Antworten
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A flame test
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Bromine wate
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Sodium hydroxide
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Silver nitrate
Frage 11
Frage
Aluminium, calcium and magnesium ions form ......... precipitates with sodium hydroxide solution
Antworten
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blue
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white
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green
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cream
Frage 12
Frage
Copper (2), iron (2) and iron (3) ions can be tested ....
Antworten
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with sodium hydroxide solution
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with a flame test
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in bromine water
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with silver nitrate
Frage 13
Frage
In excess sodium hydroxide solution, copper (2) ions form ......... precipitates.
Antworten
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green
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blue
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brown
Frage 14
Frage
In excess sodium hydroxide solution, iron (2) ions form ....... precipitates.
Antworten
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green
-
brown
-
blue
Frage 15
Frage
In excess sodium hydroxide solution, iron (3) ions form ....... precipitates.
Antworten
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brown
-
green
-
blue
Frage 16
Frage
During the Haber Process, hydrogen & nitrogen react together in these conditions:
Antworten
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400 degrees c
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350 degrees c
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450 degrees c
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200 atmospheres
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150 atmospheres
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350 atmospheres
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with a nickel catalyst
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with a copper catalyst
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with an iron catalyst
Frage 17
Frage
In a reversible reaction when the temperature is increased the yield from the ........
Antworten
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endothermic reaction increases and the yield from the exothermic decreases
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endothermic reaction decreases and the yield from the exothermic increases
Frage 18
Frage
In a reversible reaction when the temperature is decreased the yield from the ........
Antworten
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endothermic reaction increases and the yield from the exothermic reaction decreases.
-
endothermic reaction decreases and the yield from the exothermic reaction increases.
Frage 19
Frage
Group 1 metals react with water, releasing
Antworten
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carbon dioxide
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oxygen
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hydrogen
Frage 20
Frage
Group 1 metals, form .......... that dissolve in water to give ........... solutions
Antworten
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carbonates
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acids
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hydroxides
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acidic
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alkaline
Frage 21
Frage
In gaseous reactions, an increase in pressure favours the reaction that produces the ..... number of molecules
Antworten
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least
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most
Frage 22
Frage
Alcohols react sodium to produce .....
Antworten
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carbon dioxide
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sodium chlroide
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hydrogen
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oxygen
Frage 23
Frage
Carboxylic acids are part of the ..... molecular group.
Antworten
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(-OH)
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(-COO-)
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(-COOH)
Frage 24
Frage
Carboxylic acids, react with alcohols in the presence of an ........ catalyst to produce .............
Antworten
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acid
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alkaline
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nickel
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esters
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a stronger acid
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a weaker acid
Frage 25
Frage
Esters are part of the ..... molecular group
Antworten
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(-COO-)
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(-OH)
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(-COOH)
Frage 26
Frage
Newlands, and then Mendeleev, attempted to classify the elements by arranging them in order of their
Antworten
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atomic weights
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atomic structure
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atomic numbers
Frage 27
Frage
when electrons, protons and neutrons were discovered early in the 20th century, the periodic table was then arranged in order of
Antworten
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Atomic mass
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Atomic structure
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Atomic numbers
Frage 28
Frage
In Group 1, the more easily electrons are lost, the ........... number of shells
Antworten
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higher
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lower
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same
Frage 29
Frage
The less easily electrons are gained therefore the ........ number of shells is more reactive
Antworten
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lower
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higher
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same
Frage 30
Frage
What may be added to drinking water to reduce microbes and fluorides?
Antworten
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Oxygen
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Chlorine
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Weak acids
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Iodine
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Bromine
Frage 31
Frage
Is bond breaking exothermic or endothermic?
Antworten
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Endothermic
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Exothermic
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Both
Frage 32
Frage
Is bond formation exothermic or endothermic?
Antworten
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Exothermic
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Endothermic
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Both
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