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

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.