When a single compound breaks down into two or more simpler substances on heating, what is the reaction called?
Answer and explanation
Correct answer: Thermal decomposition
A reaction in which one compound breaks down into two or more simpler substances is a decomposition reaction. When heat is supplied to cause this decomposition, it is called thermal decomposition. For example, on heating, calcium carbonate breaks down into calcium oxide and carbon dioxide. Photolytic decomposition requires light energy rather than heat.
Frequently asked questions
What is the correct answer to this question?
Thermal decomposition
Why is this the correct answer?
A reaction in which one compound breaks down into two or more simpler substances is a decomposition reaction. When heat is supplied to cause this decomposition, it is called thermal decomposition. For example, on heating, calcium carbonate breaks down into calcium oxide and carbon dioxide. Photolytic decomposition requires light energy rather than heat.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
