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This quiz contains 7 questions from a mix of 1 subtopics.
Balance the following chemical equation:
Mg + O2 ➔ 2MgO
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products / reactants
During a chemical reaction are mixed together to form .
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Balance the following chemical equation:
N2 + H2 ➔ NH3
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When representing oxygen in a symbol equation, should you write 'O' or 'O2'?
O
O2
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Balance the following chemical equation:
CH4 + O2 ➔ CO2 + H2O
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Choose the correct balanced equation for the reaction of iron and chlorine:
?Fe + ?Cl2 ➔ ?FeCl3
2Fe + Cl2 ➔ 2FeCl3
2Fe + 3Cl2 ➔ 2FeCl3
Fe + Cl3 ➔ FeCl3
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Choose the correct balanced equation for the reaction of sodium with water:
2Na + H2O ➔ NaOH + 2H2
Na + H2O ➔ 2NaOH + H2
2Na + 2H2O ➔ 2NaOH + H2
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