Class 7 Science Chapter 6 MCQ

Class 7 Science Chapter 6 MCQ (Multiple Choice Questions) of Physical and Chemical Changes. It consists of important questions from the entire NCERT Textbook, intext question answers and exercises questions.

All the MCQs are given with complete explanation of answer. Attempt the questions first and then view answers for justification. Practicing with these MCQ online tests ensure you to get good marks in school exams.

Class 7 Science Chapter 6 MCQ for 2020-2021

Class: 7Science
Chapter: 6Physical and Chemical Changes
Contents:Multiple Choice Questions MCQ Tests

Class 7 Science Chapter 6 MCQ Tests for 2020-21

Class 7 Science Chapter 6 MCQ with answers and explanations are given below. All the questions are taken from NCERT Books for Class 7 Science only. There are more than 80 questions in the format of sets of 10 questions at a time. After doing one test, click on Start a New Test for more practice.

Q1

Consider the following sentences and choose the correct one:

[A]. Making sugar solution is a physical change
[B]. A physical change is generally reversible
[C]. Grinding of wheat grain changes its size, although it is a physical change
[D]. All the above
Q2

A man painted his main gate made up of iron, to

[A]. Prevent it from rusting
[B]. Protect it from the Sun
[C]. Make it look beautiful
[D]. Make it dust free




Q3

In which of the following sentences is or are incorrect?

[A]. A change in which only the physical properties of any substances get changed and no new substances is formed.
[B]. A change in which the composition and chemical properties of the substances get changes.
[C]. Microbes produces enzymes which break down complex organic compounds into simpler substance.
[D]. None of the above.
Q4

Which of the following statements is incorrect for a chemical reaction?

[A]. Heat may be given out by never absorbed
[B]. Sound may be produced
[C]. A colour change may take place
[D]. A gas may be evolved
Q5

Which one is a physical change?

[A]. Melting of ice
[B]. Melting of wax
[C]. Formation of steam from water
[D]. All the above
Q6

Mohan is writing some sentences, choose the sentences which is or are incorrect one:

[A]. When carbon dioxide is passed through lime water, it turns milky due to the formation of calcium carbonate.
[B]. The chemical name of baking soda is calcium carbonate.
[C]. Two methods by which rusting of iron can be prevented are painting and galvanization.
[D]. When a candle burns both physical and chemical change take place.



Q7

There are given some statement. In which of the following pair is a chemical change?

[A]. Ice melts on heating, iron rust in moist air.
[B]. Common salt dissolve in water, pulses change on cooking.
[C]. Milk into curd, germination of seeds.
[D]. Ripening of fruits, melting of wax.
Q8

Consider the following sentences which is not associated with physical change?

[A]. Melting of wax or butter or ghee
[B]. Glowing of an electric bulb or tube
[C]. Dissolved common salt or sugar in water
[D]. Growing of a seed into a plant




Q9

Consider the following sentences and choose the correct one:

[A]. Making sugar solution is a physical change
[B]. A physical change is generally reversible
[C]. Grinding of wheat grain changes its size, although it is a physical change
[D]. All the above
Q10

Consider the following statements and choose the correct ones:

[A]. Corrosion of metals causes great economic loss.
[B]. Corrosion of metals can be prevented if the contact between metal and air is cutoff.
[C]. A process of giving a thin coating of zinc on Iron sheets to preventing rusting called galvanization.
[D]. All the above



Hindi and English Medium NCERT Solutions

Class 7 Solutions for all subjects like Maths, Science, Social Science are given in Hindi and English Medium free to use or download. All Important Questions MCQ Questions of all chapters are also given for practice.