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8th Grade Balanced Or Unbalanced
Test Description: Determine whether the following chemical equations are BALANCED or UNBALANCED.
Instructions: Answer all questions to get your test result.
1) Mg + Cl2 yields MgCl2
A
UNBALANCED
B
BALANCED
2) CH4 + O2 yields CO2 + H2O
A
BALANCED
B
UNBALANCED
3) NaOH + H2SO4 yields Na2SO4 + H2O
A
BALANCED
B
UNBALANCED
4) CH4 + 4Cl2 yields CCl4 + 4HCl
A
UNBALANCED
B
BALANCED
5) Zn + 2HCl yields ZnCl2 + H2
A
UNBALANCED
B
BALANCED
6) CaCl2 + NaHCO3 yields CaCO3 + NaCl + H2O + CO2
A
BALANCED
B
UNBALANCED
7) BaCl2 + H2SO4 yields BaSO4 + HCl
A
UNBALANCED
B
BALANCED
8) 2Mg + O2 yields 2MgO
A
BALANCED
B
UNBALANCED
9) Which of the following follows the Law of Conservation of Matter?
A
C2H4 + 3O2 yields 2CO2 + 2H2O
B
C + 4H2 yields CH4
C
3H2 + 3O2 yields 3H2O
D
2Na + Cl yields NaCl
10) In the following chemical formula, how many Nitrogen atoms are there? 2AgNO3
A
0
B
3
C
2
D
1
*select an answer for all questions
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