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WorksheetsUnit 4: Quiz Misconceptions Part II
Total questions: 15
Worksheet time: 8mins
What coefficient should go in front of iron to balance the following eqn.?
iron + sulfur -> iron(II) sulfide
1
2
3
4
What coefficient should go in front of iron to balance the following eqn.?
iron + sulfur -> iron(I) sulfide
1
2
3
4
What coefficient should go in front of iron to balance the following eqn.?
iron + oxygen gas -> iron(I) oxide
1
2
3
4
What coefficient should go in front of iron(II) oxide to balance the following eqn.?
iron + oxygen gas -> iron(II) oxide
1
2
3
4
Which of the following compounds in the following chemical equation should have a coefficient of 2 in front of it?
potassium oxide + water -> potassium hydroxide
potassium oxide
water
potassium hydroxide
None of the Above
Given the following equation, what coefficient should be placed in front of mercury to balance it?
mercury (II) oxide -> mercury + oxygen
1
2
3
4
Given the following equation, what coefficient should be placed in front of hydrogen sulfide to balance it?
iron(II) sulfide + hydrochloric acid -> hydrogen sulfide + iron(II) chloride
1
2
3
4
Given the following, which compound in the balanced chemical eqn requires a coefficient of 2?
sulfur dioxide + water -> sulfurous acid
sulfur dioxide
water
sulfurous acid
None of the Above
Which of the following is the correct chemical formula for sulfuric acid?
H2SO3
H2SO4
H2SO
H2S
Which of the following is the correct chemical formula for nitric acid?
HNO
HNO2
HNO3
HNO4
Which of the following is the correct chemical formula for nitrous acid?
HNO
HNO2
HNO3
HNO4
How many sides does a heptagon have?
3
5
7
9
Which of the following would most likely contain a double bond?
H2
N2
O2
Cl2
Convert 7.02 x 1020 molecules of SiO2 to moles
4.23 x 1044
0.0012
857.55
1.17 x 1019
What does the roman number in an ionic compound tell us?
Subscript
Charge
Valence Electrons
None of the Above
