453920
Beschreibung
Quiz von OmiscientFools, aktualisiert more than 1 year ago
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Erstellt von OmiscientFools
vor mehr als 10 Jahre
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Frage 1
Frage
The most reactive metals belong to group 2.
Antworten
- True
- False
Frage 2
Frage
What are the observations of potassium?
Antworten
-
Effervescence
-
Metal floats and moves on surface of water
-
Ignites with lilac flame
-
Melts into silvery ball
-
Turns red
-
Turns colourless
-
Produces oxygen
Frage 3
Frage
What is the word equation for Sodium?
Antworten
-
Sodium + water --> Sodium Oxide + Hydrogen
-
Sodium + water --> Sodium Oxide + Carbon Dioxide
-
Sodium + water --> Sodium Hydroxide + Hydrogen
Frage 4
Frage
Name the gas produced when group 1 metals react with water.
Antworten
-
Hydrogen
-
Carbon Dioxide
-
Oxygen
Frage 5
Frage
The reactivity of group 1 metals decreases going down the group.
Antworten
- True
- False
Frage 6
Frage
Metal + steam --> Metal ? + ?
Antworten
-
Hydroxide + Hydrogen
-
Oxide + Hydrogen
-
Oxide + Carbon dioxide + Hydrogen
Frage 7
Frage
Metal + Oxygen --> Metal Oxide
Antworten
- True
- False
Frage 8
Frage
In a displacement reaction, a ? reactive metal will displace a ? reactive metal from a solution of its salt.
Antworten
-
more, less
-
less, more
-
-, equally reactive
Frage 9
Frage
What are the observations of Zinc + Copper (II) Sulfate --> Zinc Sulfate + Copper?
Antworten
-
Blue solution turns colourless
-
Colourless solution turns blue
-
Red-brown solid forms
-
Bluish solid forms
-
Silver zinc metal disappears
-
Copper disappears
Frage 10
Frage
Which of these metals would be extracted by electrolysis?
Antworten
-
Potassium
-
Sodium
-
Magnesium
-
Silver
-
Zinc
-
Copper
-
Iron
-
Aluminium
Frage 11
Frage
Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
Antworten
-
Limestone
-
Coke
-
Hot air
-
Water
-
Hydrogen
-
Nitrogen
Frage 12
Frage
Apart from haematite, what other materials are used in the extraction of Iron in the blast surface?
Antworten
-
Limestone
-
Coke
-
Hot air
-
Water
-
Hydrogen
-
Nitrogen
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