Chemical Reactions Quiz
Authored by Manuel Guillen
Chemistry
10th Grade
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is represented by the equation 2Mg(s) + O₂(g) → 2MgO(s)?
Decomposition reaction
Combination reaction
Single-replacement reaction
Double-replacement reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is represented by the equation 2HgO(s) → 2Hg(1) + O₂(g)?
Decomposition reaction
Double-replacement reaction
Combination reaction
Single-replacement reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is represented by the equation 2K(s) + H₂O(l) → 2KOH(aq) + H₂(g)?
Decomposition reaction
Double-replacement reaction
Single-replacement reaction
Combination reaction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element in the activity series can replace hydrogen from acids and water?
Lithium
Potassium
Calcium
Sodium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element in the activity series can replace hydrogen from acids only?
Iron
Zinc
Magnesium
Aluminum
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is represented by the equation 2Kl(aq) + Pb(NO3)₂(aq) → Pbl(s) + 2KNO3(aq)?
Decomposition reaction
Single-replacement reaction
Combination reaction
Double-replacement reaction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is represented by the equation CH₂(g) + 20₂(g) → CO₂(g) + 2H₂O(g)?
Single-replacement reaction
Decomposition reaction
Combination reaction
Combustion reaction
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