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12 Questions

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Matter in Our Surroundings: Chapter 1

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Questions and Answers

What is the process called when particles of two different types of matter intermix on their own?

Osmosis

Evaporation

Sublimation

Diffusion (correct)

What happens to the kinetic energy of particles as the temperature rises?

It remains constant

It increases (correct)

It decreases

It varies randomly

What do you observe just above the solid crystal in the glass containing hot water and cold water without stirring the solution?

No change in the crystal

The crystal dissolves completely

A colored layer forms just above the crystal (correct)

The crystal moves to the bottom of the glass

How many hours or days does it take for the color of ink to spread evenly throughout the water?

3 days Signup and view all the answers

What does the experiment with potassium permanganate demonstrate?

The smell of the potassium permanganate can be detected even on repeated dilution Signup and view all the answers

What does the observation with ink and honey dropped into water demonstrate?

Particles of one type of matter can get into the spaces between particles of another type Signup and view all the answers

What is the purpose of using Dettol in the experiment?

To test if crystals of Dettol can color a large volume of water Signup and view all the answers

What conclusion can be drawn about the particles of matter based on the activities described?

Particles of matter are very small and keep dividing into smaller particles Signup and view all the answers

According to early Indian philosophers, what were the five basic elements of matter?

Wind, Earth, Fire, Sky, Water Signup and view all the answers

What is the term scientists have given to everything in the universe?

Material Signup and view all the answers

What was the belief of one school of thought regarding the nature of matter?

Matter is continuous like a block of wood Signup and view all the answers

In what subsequent chapters will the chemical aspects of matter be taken up?

Not specified in subsequent chapters Signup and view all the answers