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Physics & Astronomy
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Physical Science Study Set 3
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Physical Science Study Set 3
Physics & Astronomy
Quiz 13 :
Chemical Reactions
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Quiz 13 :
Chemical Reactions
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The equation 1/2 N
2
+ 3/2 H
2
→ NH
3
is not appropriately written because
Free
Multiple Choice
Q01
Answer:
Answer:
B
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The substances that are diminished in a chemical reaction are called the
Free
Multiple Choice
Q02
Answer:
Answer:
B
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When the equation NH
4
NO
3
→ N
2
O + H
2
O is balanced, the coefficient of H
2
O is
Free
Multiple Choice
Q03
Answer:
Answer:
C
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A chemical reaction is at equilibrium when
Multiple Choice
Q04
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One reactant of photosynthesis is
Multiple Choice
Q05
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One product of photosynthesis is
Multiple Choice
Q06
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A chemical reaction is balanced by applying all except which of the following principles?
Multiple Choice
Q07
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A chemical reaction generally has a great effect on an atom's
Multiple Choice
Q08
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Which of the following is a chemical change?
Multiple Choice
Q09
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The substances that are formed by a chemical reaction are called the
Multiple Choice
Q10
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Which one of the following is a physical change?
Multiple Choice
Q11
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The equation H
2
O
2
→ H
2
O + O is not correctly written because
Multiple Choice
Q12
Answer:
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Which of the following does not take place in a chemical reaction?
Multiple Choice
Q13
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The equation 1H
2
SO
4
→ 1H
2
O + 4O
2
is not appropriately written because
Multiple Choice
Q14
Answer:
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When the equation NH
4
NO
3
→ N
2
O + H
2
O is balanced, the total of all the coefficients (both written and "understood") is
Multiple Choice
Q15
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A balanced chemical equation will have the same ______________ on each side.
Multiple Choice
Q16
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The equation 4H
2
O
2
→ 4H
2
O + 2O
2
is not appropriately written because
Multiple Choice
Q17
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Which one of the following is not a physical property of matter?
Multiple Choice
Q18
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The process of melting lead is an example of
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Q19
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Which of the following is an example of a chemical property?
Multiple Choice
Q20
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