Case study Questions on Class 9 Science Chapter 1 are very important to solve for your exam. Class 9 Science Chapter 1 Case Study Questions have been prepared for the latest exam pattern. You can check your knowledge by solving case study-based questions for Class 9 Science Chapter 1 Matter in our Surroundings

In CBSE Class 9 Science Paper, Students will have to answer some questions based on Assertion and Reason. There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Matter in our Surroundings Case Study Questions With answers

Here, we have provided case-based/passage-based questions for Class 9 Science Chapter 1 Matter in our Surroundings

Case Study/Passage-Based Questions

Question 1:

There are three states of matter – solid, liquid, and gas.

Solids have a definite shape, distinct boundaries, and fixed volumes, that is, have negligible compressibility. Solids have a tendency to maintain their shape when subjected to outside force. Solids may break under force but it is difficult to change their shape, so they are rigid.

Liquids have no fixed shape but have a fixed volume. They take up the shape of the container in which they are kept. Liquids flow and change shape, so they are not rigid but can be called fluid.

Gas has an indefinite shape and no fixed volume. Gas gets the shape and volume of the container.

Gas has very low density hence is light. Gas can flow easily and hence is called fluid.

i.) Which of the following state of matter takes shape of the container in which it is filled?

a.) Solid

b.) Liquid

c.) Gas

d.) Both b and c

ii.) Distance between particles of matter least in

a.) Solid

b.) Liquid

c.) Gas

d.) None of these

iii.) Compressibility is least in case of

a.) Solid

b.) Liquid

c.) Gas

d.) None of these

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