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- Welcome to another BC Science 10 practice quiz!
- Pick the best answer for each question.
- Your score will decrease with every wrong guess. If you guess wrong 3 times on a question, you will receive no points.
- Get every answer correct the first time to score 100%. Good luck!
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Types of Chemical Reactions - Section 6.1 Quiz
When you have completed the quiz, your score will appear here --->
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In a chemical reaction, a hydrocarbon compound reacts with the diatomic element oxygen. What type of reaction is this?
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Combustion
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Single replacement
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Formation
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Double replacement
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Which of the following chemical reactions could be classified as either a double replacement reaction or as an acid-base neutralization?
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NaOH + HCl → NaCl + HOH
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AgNO3 + Na2CrO4 → Ag2CrO4 + NaNO3
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NaOH + FeCl3 → NaCl + Fe(OH)3
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NaCl + H2SO4 → Na2SO4 + HCl
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What type of reaction is shown below, and what is the balanced formula equation for this reaction?
magnesium + water → magnesium hydroxide + hydrogen gas
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Single replacement; Mg + 2H2O → Mg(OH)2 + H2
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Double replacement; Mg2 + 3H2O → 2Mg(OH) 2 + H2
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Single replacement; Mg + H2O → Mg(OH) 2 + H2
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Double replacement; Mg2 + 2H2O → Mg(OH) 2 + H
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Is the following reaction a synthesis, decomposition, single replacement, double replacement, neutralization (acid-base), or combustion reaction?
C10H8 + 12O2 → 10CO2 + 4H2O
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Combustion
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Single replacement
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Synthesis
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Decomposition
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Is the following reaction a synthesis, decomposition, single replacement, double replacement, neutralization (acid-base), or combustion reaction?
Na2CO3 → Na2O + CO2
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Decomposition
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Combustion
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Single replacement
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Synthesis
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What type of reaction is shown below, and what is the balanced formula equation for this reaction?
copper metal + silver nitrate → silver metal + copper II nitrate
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Single replacement; Cu + 2AgNO3 → 2Ag + Cu(NO3)2
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Single replacement; Cu + 2AgNO3 → Ag2 + Cu(NO3)2
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Double replacement; Cu2 + 2AgNO3 → 2Ag2 + Cu(NO3)2
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Synthesis; Cu + AgNO3 → Ag + Cu(NO3)2
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What type of reaction is shown below, and what is the balanced formula equation for this reaction?
calcium phosphate + sulfuric acid → calcium sulfate + phosphoric acid
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Double replacement; Ca3(PO4)2 + 3H2SO4 → 3CaSO4 + 2H3PO4
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Double replacement; Ca3(PO4)2 + H2SO4 → CaSO4 + H3PO4
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Single replacement; Ca3(PO4)2 + 3H2S → 3CaS + 2H3PO4
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Decomposition; Ca3 (PO4)2 → 3Ca + 2PO4
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Is the following reaction a synthesis, decomposition, single replacement, double replacement, neutralization (acid-base), or combustion reaction?
NaOH + H2CO3 → Na2CO3 + H2O
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Neutralization
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Decomposition
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Single replacement
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Synthesis
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Is the following reaction a synthesis, decomposition, single replacement, double replacement, neutralization (acid-base), or combustion reaction?
Li2O + H2O → LiOH
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Synthesis
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Decomposition
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Combustion
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Single replacement
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Which of the following represents a chemically balanced decomposition reaction of nickel (III) oxide into its elements?
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2Ni2O3 → 4Ni + 3O2
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2NiO → 2Ni + O2
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Ni2O3 + H2O2 → 2Ni + 3O2 + H2
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2Ni3O2 → 4Ni + 3O2
