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Gcse Science
Chemistry - Word Equations (Aqa)
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Q.1
Where a metal reacts directly with a non-metal, the name of the resulting chemical ends in which letters?
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-ide
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-ate
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-ite
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-ic
Q.2
Which of the following lists gives the salts that are made from the common lab acids - sulfuric, nitric and hydrochloric?
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Sulfite, nitrite, chlorate
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Sulfite, nitrate, chlorate
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Sulfate, nitrate, chlorate
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Sulfate, nitrate, chloride
Q.3
What type of reaction is illustrated by the following word equation? methane + oxygen → carbon monoxide + water
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Incomplete combustion
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Complete combustion
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Incomplete reduction
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Complete polymerisation
Q.4
What is the missing chemical in the word equation: sugar → carbon dioxide + _______
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Methane
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Ethane
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Methanol
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Ethanol
Q.5
Which of the following word equations shows the thermal decomposition of limestone?
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calcium oxide → calcium + oxygen
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calcium hydroxide → calcium + water
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calcium carbonate → calcium hydroxide + carbon dioxide
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calcium carbonate → calcium oxide + carbon dioxide
Q.6
Which of the following is the correct word equation for the reaction between magnesium carbonate and an acid?
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magnesium carbonate + sulfuric acid → magnesium sulfite + water + carbon dioxide
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magnesium carbonate + nitric acid → magnesium nitrate + water + carbon dioxide
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magnesium carbonate + hydrochloric acid → magnesium chloride + water
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magnesium carbonate + nitric acid → magnesium nitrate + hydrogen + carbon dioxide
Q.7
Which of the following is the correct word equation for the reaction of a metal with an acid?
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copper + sulfuric acid → copper sulfite + hydrogen
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zinc + hydrochloric acid → zinc nitrate + oxygen
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sodium + nitric acid → sodium nitrate + oxygen
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magnesium + sulfuric acid → magnesium sulfate + hydrogen
Q.8
What elements are present in the reactants in the following chemical reaction? Magnesium carbonate + hydrochloric acid → magnesium chloride, water and carbon dioxide?
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Mg, C, H, Cl
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Mg, C, O, Zn, Cl
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Mg, C, O, H, Cl
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Mg, Na, H, S, O
Q.9
What sort of reaction is represented by the following word equation? iron oxide + carbon monoxide → iron + carbon dioxide?
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Thermal decomposition
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Reduction
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Oxidation
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Catalytic cracking
Q.10
When a reactive metal reacts with water, it forms the metal hydroxide and hydrogen. Which of the following is the correct word equation for a Group 1 metal?
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calcium + water → calcium hydroxide + hydrogen
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aluminium + water → aluminium hydroxide + hydrogen
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lithium + water → lithium hydroxide + hydrogen
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magnesium + steam → magnesium hydroxide + hydrogen
0 h : 0 m : 1 s
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