Question

The reaction has at least
two reactants and one product.

Answer 1

combination reaction

combination reaction (also known as a synthesis reaction) is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product). Such reactions may be represented by equations of the following form: X + Y → XY. The combination of two or more elements and form one compound is called combination reaction.

Answer 2

Answer:

Well it is a combination reaction, where 2 reactants combine to form a single product.

ex: CO2 + CaO -------> CaCO3

    2H2 + O2 --------> 2H2O

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