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111.
Which of the following represents a heterogeneous mixture?
Explanation:
112.
In an atom, which subatomic particle is found in the nucleus and carries a positive charge?
Explanation:
113.
In a chemical equation, what do the reactants represent?
Explanation:
114.
In a balanced chemical equation, what is the primary purpose of coefficients?
Explanation:
115.
Which of the following is an example of a redox (reduction-oxidation) reaction?
Explanation:
116.
What is the term for the minimum energy required to start a chemical reaction?
Explanation:
117.
What type of chemical reaction occurs when two or more substances combine to form a single product?
Explanation:
118.
In a combustion reaction, what is typically one of the reactants?
Explanation:
119.
What type of chemical reaction involves the breakdown of a single compound into two or more simpler substances?
Explanation:
120.
Which of the following represents a double replacement (metathesis) reaction?