MCQ Questions | Class 7 Science Chapter 6 | Physical and Chemical Changes with Answers

MCQ | Physical and Chemical Changes Class 7

Check the below NCERT MCQ Questions for Class 7 Science Chapter 6 Physical and Chemical Changes with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Physical and Chemical Changes Class 7 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 7

NCERT Solutions Class 7 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	7th
Subject:	Science
Chapter:	6
Chapters Name:	Physical and Chemical Changes
Medium:	English

Ncert Solutions for Class 7 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 7 Science Chapter 6 Physical and Chemical Changes to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Physical and Chemical Changes | Class 7 Science | NCERT Solutions

Q1.	mcq for class 7 science chapter 6 Rusting of iron is a
	A. physical change
	B. chemical change
	C. both (1) and (2)
	D. all of these

Ans: chemical change

Q2.	mcq for class 7 with answers physical and chemical changes Rusting occurs when iron is exposed to
	A. oxygen and water
	B. soil and rain
	C. breeze and sunlight
	D. salt water and clouds

Ans: oxygen and water

Q3.	mcq questions class 7 science When carbon dioxide is passed through lime water, the substance formed is
	A. calcium oxide
	B. calcium carbonate
	C. both (1) and (2)
	D. none of these

Ans: calcium carbonate

Q4.	mcq questions class 7 science chapter 6 A chemical change is also called a
	A. chemical reaction
	B. rusting
	C. both (1) and (2)
	D. all of these

Ans: chemical reaction

Q5.	mcq questions for class 7 science Which among the following is a physical change?
	A. Cutting a log of wood in small pieces
	B. Burning of wood
	C. Ripening of fruit
	D. Cooking of food

Ans: Cutting a log of wood in small pieces

Q6.	mcq questions for class 7 science chapter 6 Rusting can be prevented by:
	A. preventing iron from coming in contact with air and moisture by applying greese or paint
	B. deposit a layer of a metal like chromium or zinc on iron
	C. both (1) and (2)
	D. none of these

Ans: both (1) and (2)

Q7.	mcq questions for class 7 science physical and chemical changes Which of the following is an example of physical change?
	A. A bud turning into a flower
	B. Rusting of iron
	C. Boiling of water
	D. Ripening of a tomato

Ans: Boiling of water

Q8.	mcq questions class 7 science pdf Which of the following is a chemical change?
	A. Bursting of a fire cracker
	B. Germination of seed
	C. Coal formation from buried trees
	D. All of these

Ans: All of these

Q9.	mcq questions class 7 science pdf with answer The process of forming substances in their pure state from their solution is known as:
	A. galvanisation
	B. neutralisation
	C. crystallisation
	D. all of these

Ans: crystallisation

Q10.	mcq questions for class 7 science with answers chapter 6 A change in which the original substance can be obtained back by change of conditions is called:
	A. reversible change
	B. physical change
	C. chemical change
	D. Both (1) and (2)

Ans: Both (1) and (2)

Q11.	ncert class 7 science book Which is a method to prevent rust?
	A. Crystallization
	B. Sedimentation
	C. Galvanisation
	D. None of these

Ans: Galvanisation

Q12.	ncert class 7 science book pdf The process of depositing a layer of zinc on iron is called:
	A. galvanisation
	B. neutralisation
	C. crystallisation
	D. none of these

Ans: galvanisation

Q13.	ncert class 7 science chapter 6 Which of the following is a chemical change?
	A. Dissolving of common salt into water
	B. Changing of water into ice
	C. Melting of ice
	D. Rusting of iron

Ans: Rusting of iron

Q14.	ncert science class 7 book How crystal of pure substances are obtained?
	A. By crystallization
	B. By chromatography
	C. By peptization
	D. By all these methods

Ans: By crystallization

Q15.	ncert science class 7 chapter 6 Ships suffer a lot of damage from rusting inspite of being painted because:
	A. sea water contains many salts
	B. sea water is bitter
	C. sea water is sour
	D. sea water is sweet

Ans: sea water contains many salts

Q16.	ncert science class 7 solutions Hydrochloric acid is added to a beaker containing a piece of zinc. Zinc chloride is formed and hydrogen gas is released. This is an example of:
	A. a chemical reaction
	B. a physical change
	C. Crystallization
	D. None of these

Ans: a chemical reaction

Q17.	ncert science class 7 textbook pdf What is the formula of rust?
	A. Fe2O3
	B. Fe3O4
	C. FeO
	D. None of these

Ans: Fe2O3

Q18.	cbse class 7 science book Food items when kept carefully get spoiled is a:
	A. chemical change
	B. physical change
	C. both (1) and (2)
	D. none of these

Ans: chemical change

Q19.	cbse class 7 science book pdf download Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue-coloured crystals got separated (step II). Step I and step II are
	A. physical and chemical changes respectively.
	B. chemical and physical changes respectively.
	C. both physical change
	D. both chemical change

Ans: both physical change

Q20.	cbse class 7 science chapter 6 Which among the following is a physical change?
	A. Burning of wood
	B. Ripening of fruit
	C. Cutting a log of wood in small pieces
	D. Cooking of food