Grade 9 Science: Oxidation
This worksheet covers the fundamental concepts of oxidation for Grade 9 science students, including definitions, examples, and identifying oxidation in chemical reactions.
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Grade 9 Science: Oxidation
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Read each question carefully and provide your best answer. Show all your work for calculations.
1. Which of the following best describes the process of oxidation?
Gain of electrons
Loss of oxygen
Loss of electrons
Gain of hydrogen
2. Rusting of iron is an example of:
Reduction
Oxidation
Neutralization
Precipitation
1. Oxidation is a chemical reaction that involves the of electrons.
2. A substance that causes another substance to undergo oxidation is called an agent.
3. When a metal reacts with oxygen to form an oxide, this is an example of .
1. In an oxidation-reduction (redox) reaction, oxidation and reduction occur simultaneously.
True
False
2. The oxidation number of an atom increases during oxidation.
True
False
1. Define oxidation in terms of electron transfer.
2. Give two real-world examples of oxidation.
Match the term on the left with its definition on the right.
1. Oxidizing agent
a. The process of gaining electrons
2. Reduction
b. A substance that causes oxidation
3. Rusting
c. Oxidation of iron