Zusammenfassung der Ressource
Frage 1
Frage
The most reactive metals belong to group 2.
Frage 2
Frage
What are the observations of potassium?
Frage 3
Frage
What is the word equation for Sodium?
Antworten
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Sodium + water --> Sodium Oxide + Hydrogen
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Sodium + water --> Sodium Oxide + Carbon Dioxide
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Sodium + water --> Sodium Hydroxide + Hydrogen
Frage 4
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Name the gas produced when group 1 metals react with water.
Antworten
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Hydrogen
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Carbon Dioxide
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Oxygen
Frage 5
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The reactivity of group 1 metals decreases going down the group.
Frage 6
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Metal + steam --> Metal ? + ?
Frage 7
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Metal + Oxygen --> Metal Oxide
Frage 8
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In a displacement reaction, a ? reactive metal will displace a ? reactive metal from a solution of its salt.
Antworten
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more, less
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less, more
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-, equally reactive
Frage 9
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What are the observations of Zinc + Copper (II) Sulfate --> Zinc Sulfate + Copper?
Antworten
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Blue solution turns colourless
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Colourless solution turns blue
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Red-brown solid forms
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Bluish solid forms
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Silver zinc metal disappears
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Copper disappears
Frage 10
Frage
Which of these metals would be extracted by electrolysis?
Antworten
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Potassium
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Sodium
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Magnesium
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Silver
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Zinc
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Copper
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Iron
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Aluminium
Frage 11
Frage
Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
Antworten
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Limestone
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Coke
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Hot air
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Water
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Hydrogen
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Nitrogen
Frage 12
Frage
Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
Antworten
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Limestone
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Coke
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Hot air
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Water
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Hydrogen
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Nitrogen