Question

Give two examples for the following case: Chemical changes

Answer 1

Chemical change:

• A chemical change occurs when the atoms rearrange themselves to form new chemical bonds, creating a new product.
• Chemical reactions are a part of chemical changes. The initial components and the final product differ chemically from one another.
• Chemical changes are generally irreversible.
• Two examples of chemical change are Curdling of milk, Mixing acid and base.

Therefore, two examples of chemical change are curdling of milk and mixing of acid and base.