12606165
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace alrededor de 6 años
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Pregunta 1
Pregunta
The gas in the air that reacts with metals most easily is:
Respuesta
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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.
Pregunta 2
Pregunta
A metal that does not react with the air is:
Respuesta
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A calcium.
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B gold.
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C iron.
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D magnesium.
Pregunta 3
Pregunta
The gas which is given off when metals react with water is:
Respuesta
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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.
Pregunta 4
Pregunta
Sodium reacts with water to form:
Respuesta
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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.
Pregunta 5
Pregunta
The gas which is given off when metals react with acids is:
Respuesta
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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.
Pregunta 6
Pregunta
When magnesium reacts with sulfuric acid, it forms:
Respuesta
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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.
Pregunta 7
Pregunta
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).
Respuesta
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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
Pregunta 8
Pregunta
Choose the correct statement to complete this word equation:
zinc + sulphuric acid →
Respuesta
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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
Pregunta 9
Pregunta
Iron is more reactive than copper. If a piece of iron is put into copper sulfate solution, what would you see?
Respuesta
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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.
Pregunta 10
Pregunta
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 →
Respuesta
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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
Pregunta 11
Pregunta
Copper is more reactive than silver. Iron is more reactive than copper.
This means that:
Respuesta
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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.
Pregunta 12
Pregunta
Zinc reacts with copper sulphate solution and silver nitrate solution.
This means that zinc ..........
Respuesta
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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.
Pregunta 13
Pregunta
Some window frames are made of aluminium.
It is a good metal to use because:
Respuesta
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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.
Pregunta 14
Pregunta
Magnesium would react more slowly with acid if you:
Respuesta
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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.
Pregunta 15
Pregunta
The test for hydrogen gas is that it:
Respuesta
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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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