What are the substances that take part in a chemical reaction called?
a. Reactants
b. Products
c. Catalysts
d. Activators
2. What are the reactions which occur with the absorption of energy called?
a. Exothermic reactions
b. Endothermic reactions
c. Redox reactions
d. Oxidation reactions
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Answer:
What are the substances that take part in a chemical reaction called?
= catalysts
2. What are the reactions which occur with the absorption of energy called?
= Endothermic reaction
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1.a) Reactants
The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants
2.b) endothermic
Chemical reactions that absorb (or use) energy overall are called endothermic. In
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