Question

what are chemical changes ?(PS)
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Answer 1

Answer:

Chemical changes are the changes in which a new substance or a product is formed. They are also known as irreversible changes

Answer 2

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A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.

It results when a substance combines with another to form a new substance (synthesis or either decomposes to form more substances). The oxidation reaction is a chemical change example that causes a chemical reaction.

They are generally irreversible except by further chemical reactions. Chemical change examples include chemical reaction which develops the dye in the colour and creates a chemical change in the hair. There are three types of chemical changes namely organic, inorganic and biochemical change.

Examples of Chemical Change :-

Examples of Chemical Change in Everyday Life

Chemical changes happen around us all the time and not just in a chemistry lab. Some chemical change examples in our everyday life are mentioned below.

• Burning of paper and log of wood
• Digestion of food
• Boiling an egg
• Chemical battery usage
• Electroplating a metal
• Baking a cake
• Milk going sour
• Various metabolic reactions that take place in the cells
• Rotting of fruits
• Decomposition of waste
• The explosion of fireworks
• The reaction between salts and acids.
• Rusting of iron
• Lighting a matchstick