In Text Questions Page Number 24 Chapter 2 Science Class 9 NCERT Solutions in Text Question Chapter 2 is Matter Around

In text questions page number 24 Chapter 2: is Matter Around Us Pure Science Class 9 solutions are avalable at ourwebsite to help the students. In text questions page number 24 is solved by our expert teachers. You can get ncert solutions and notes for class 9 chapter 2 absolutely free. NCERT Solutions for class 9 Science Chapter 2: is Matter Around Us Pure will definitely help in improving your marks in CBSE Board examinations.

In text questions page number 24

1. Classify the following as chemical or physical changes:
(i)cutting of trees,
(ii) melting of butter in a pan,
(iii) rusting of almirah,
(iv) boiling of water to form steam
(v) passing of electric current, through water and the water breaking down into hydrogen and oxygen gases,
(vi) dissolving common salt in water,
(vii) making a fruit salad with raw fruits, and
(viii) burning of paper and wood.

Answer:

(i) Cutting of trees is a physical change.
(ii) melting of butter in a pan is a physical change.
(iii) rusting of almirah is a chemical change.
(iv) boiling of water to form steam is a physical change.
(v) passing of electric current, through water and the water breaking down into hydrogen and oxygen gases is a chemical change.
(vi) dissolving common salt in water is a physical change.
(vii) making a fruit salad with raw fruits is a physical change.
(viii) burning of paper and wood is a chemical change.

2. Try segregating the things around you as pure substances or mixtures.
Answer:
Pure substances: drinking water, gold, sugar, salt etc.
Mixtures: Air, Cold drinks, soil, brass etc.