12606165
Descrição
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
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Criado por Jeffrey Piggott
aproximadamente 6 anos atrás
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Questão 1
Questão
The gas in the air that reacts with metals most easily is:
Responda
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A argon.
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B carbon dioxide.
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C nitrogen.
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D oxygen.
Questão 2
Questão
A metal that does not react with the air is:
Responda
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A calcium.
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B gold.
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C iron.
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D magnesium.
Questão 3
Questão
The gas which is given off when metals react with water is:
Responda
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A carbon dioxide.
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B hydrogen.
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C oxygen.
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D nitrogen.
Questão 4
Questão
Sodium reacts with water to form:
Responda
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A sodium chloride. .
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B sodium oxide.
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C sodium hydroxide
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D sodium carbonate.
Questão 5
Questão
The gas which is given off when metals react with acids is:
Responda
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A carbon dioxide.
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B hydrogen.
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C oxygen.
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D nitrogen.
Questão 6
Questão
When magnesium reacts with sulfuric acid, it forms:
Responda
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A magnesium oxide.
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B magnesium chloride.
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C magnesium sulfate.
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D magnesium carbonate.
Questão 7
Questão
Look at these diagrams, and then choose the correct order of reactivity for metals X, Y and Z (the most reactive metal should
be first).
Responda
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A) Z, X, Y
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B) Y, Z, X
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C) X, Y, Z
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D) Z, Y, X
Questão 8
Questão
Choose the correct statement to complete this word equation:
zinc + sulphuric acid →
Responda
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A) zinc + sulfur + acid
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B) zinc hydrate + sulfur
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C) zinc sulfate + hydrogen
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D) zinc hydroxide + hydrogen
Questão 9
Questão
Iron is more reactive than copper. If a piece of iron is put into copper sulfate solution, what would you see?
Responda
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A) Brown copper would appear on the iron.
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B) Blue copper would appear on the iron.
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C) Nothing would happen.
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D) The iron would dissolve completely.
Questão 10
Questão
Zinc is more reactive than tin. It will displace tin from a compound.
Choose the correct statement to complete this word equation:
zinc + tin sulphate →
Responda
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A) zinc + tin sulfate
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B) zinc + zinc sulfate
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C) tin + zinc sulfate
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D) tin + zinc chloride
Questão 11
Questão
Copper is more reactive than silver. Iron is more reactive than copper.
This means that:
Responda
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A copper will react with iron nitrate solution.
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B silver will react with iron nitrate solution.
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C iron will react with silver nitrate solution.
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D silver will react with copper nitrate solution.
Questão 12
Questão
Zinc reacts with copper sulphate solution and silver nitrate solution.
This means that zinc ..........
Responda
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A) is more reactive than copper and silver.
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B) is less reactive than copper and silver.
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C) is less reactive than copper but more reactive than silver.
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D) is less reactive than silver but more reactive than copper.
Questão 13
Questão
Some window frames are made of aluminium.
It is a good metal to use because:
Responda
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A) it conducts electricity.
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B) it conducts heat.
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C) it does not melt easily.
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D) it does not react very quickly with air or water.
Questão 14
Questão
Magnesium would react more slowly with acid if you:
Responda
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A) added more acid.
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B) added more water.
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C) heated the acid.
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D) used a more concentrated acid.
Questão 15
Questão
The test for hydrogen gas is that it:
Responda
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A) pops a lighted splint.
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B) relights a glowing splint.
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C) turns cobalt chloride paper pink.
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D) turns limewater milky.
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