consider the following reaction

Ca + 2HCI CaCl2 +h2
identify the substance that is oxidized
identify the substance that is reduced
identify that is oxidizing agent
identify the reducing agent

4 answers

Oxidation is loss of electrons.
Reduction is gain of electrons.
The material oxidized is the reducing agent.
The material reduced is the oxidizing agent.
Oxidizing agents remove electrons.
Reducing agents donate electrons.

Cl takes away electrons from Ca as seen in the product.
Cl^- doesn't take away anything but H^+ does.
chemistry