Introduction

Electric current can cause chemical changes in certain substances.

These chemical changes can be used for various applications.

1. Definition: Electrolysis is the process

of using electric current to cause a chemical change in a substance.

2. Examples: Electrolysis of water, electroplating, and extraction of metals.

1. Definition: Electroplating is the process of depositing a thin layer of a material on an object using electrolysis.

2. Applications: Electroplating is used to protect metals from corrosion, improve appearance, and enhance durability.

Chemical Effects of Electric Current

1. Decomposition: Electric current can cause decomposition of certain substances.

2. Chemical reactions: Electric current can initiate chemical reactions, leading to the formation of new substances.

1. Electroplating: Used for decorative and protective purposes.

2. Purification of metals: Used to purify metals like copper and zinc.

3. Extraction of metals: Used to extract metals like aluminum and sodium.

Electric current can cause significant chemical changes in substances, and understanding these effects is crucial for various applications.

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