Classify the following into elements, compounds and mixtures.

(a) Sodium

(b) Soil

(c) Sugar solution

(d) Silver

(e) Calcium carbonate

(f) Tin

(g) Silicon

(h) Coal

(i) Air

(j) Soap

(k) Methane

(l) Carbon dioxide

(m) Blood

 

Answer

Element- These are basic forms of matter which cannot be broken down into simpler substances by chemical reactions.

Compound- These are substances which are made up of 2 or more elements. They are chemically combined together in a fixed proportion.  

Mixture- They are formed by mixing of 2 or more substances (these may be elements or compounds). They have a variable composition.

 

Elements, Compounds and Mixtures

 



(a) Sodium - Element

(b) Soil - Mixture 

(c) Sugar solution - Mixture 

(d) Silver - Element

(e) Calcium carbonate - Compound 

(f) Tin - Element 

(g) Silicon - Element 

(h) Coal - Element

(i) Air - Mixture 

(j) Soap - Mixture 

(k) Methane - Compound 

(l) Carbon dioxide - Compound 

(m) Blood - Mixture 

  1. Class 9
  2. Chapter 2 Class 9 - Is Matter Around Us Pure

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo