class 7th science chapter 5 Physical and Chemical Changes ncert question answer ( English Medium )🧪

class 7th science chapter 5 Physical and Chemical Changes ncert question answer ( English Medium )🧪

Chapter - 5 Physical and Chemical Changes

Exercise Page No 54:

Question 1: Classify the changes involved in the following processes as physical or chemical changes:

(a) Photosynthesis

(b) Dissolving sugar in water

(c) Burning of coal

(d) Melting of wax

(e) Beating aluminium to make aluminium foil

(f) Digestion of food


#class7 #class7sciencequestionandanswer #class7science #sciencequestion #sciencequestionanswer #class7th #sciencechapter

Physical and Chemical Changes question answer - class 7th science Physical and Chemical Changes question answer Physical and Chemical Changes question and answer Physical and Chemical Changes questions answers Physical and Chemical Changes questions and answers Physical and Chemical Changes solution Physical and Chemical Changes solutions.

Physical and Chemical Changes ncert all question answer Physical and Chemical Changes ncert all question and answer Physical and Chemical Changes ncert all questions answers Physical and Chemical Changes ncert all questions and answers Physical and Chemical Changes ncert all solution Physical and Chemical Changes ncert all solutions.

class 7th science chapter 5 Physical and Chemical Changes question answer class 7th science chapter 5 Physical and Chemical Changes question answer class 7th science chapter 5 Physical and Chemical Changes question and answer class 7th science chapter 5 Physical and Chemical Changes questions answers class 7th science chapter 5 Physical and Chemical Changes questions and answers class 7th science chapter 5 Heat solution class 7th science chapter 5 Physical and Chemical Changes solutions.

class 7th science chapter 5 Physical and Chemical Changes question answer Physical and Chemical Changes question and answer class 7th science chapter 5 Physical and Chemical Changes questions answers class 7th science chapter 5 Physical and Chemical Changes questions and answers class 7th science chapter 5 Physical and Chemical Changes solution class 7th science chapter 5 Physical and Chemical Changes solutions.