Question

What is an exmaple of a chemical reaction?

Answer 1

Answer:

Iron and oxygen combining to make rust

Explanation:

A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.

Answer 2

Answer:

hydrogen + oxygen ---> water.

iron + oxygen ---> rust.

potassium and chlorine gas ---> chloride.

lime + carbon dioxide ---> calcium carbonate (used to strengthen masonry)

water + carbon dioxide + light ---> glucose and oxygen (photosynthesis)

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