Question

Which phrase describes
an oxidizing agent? (1 point)
a substance that reacts
with oxygen
a substance that
provides oxygen in a
reaction
a substance that
provides electrons to
other substances
a substance that gains
an electron in a
reaction

Answers

GPT-4o mini
The correct phrase that describes an oxidizing agent is:

**a substance that gains an electron in a reaction.**

Oxidizing agents gain electrons and, in the process, they are reduced.
Which event is an example of
an exothermic reaction?
(1 point)
melting ice
evaporation
decomposition
combustion
GPT-4o mini
The correct example of an exothermic reaction is:

**combustion.**

Combustion reactions release energy in the form of heat and light, making them exothermic.

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