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