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Is Matter Around Us Pure Quiz

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Questions and Answers

What is a mixture in chemistry?

A substance made up of two or more unrelated chemical components (correct)

A substance made up of two or more related chemical components

A single chemical component

A substance made up of single type of atoms

What does the chemical formula of water indicate?

1 atom of Hydrogen combined with 1 atom of oxygen

2 atoms of Hydrogen combined with 1 atom of oxygen (correct)

2 atoms of Hydrogen combined with 2 atoms of oxygen

1 atom of Hydrogen combined with 2 atoms of oxygen

How are particles arranged in gases?

Tightly packed with no scope to move around

Arranged in a certain way with limited movement

Well separated but cannot move freely

Well separated and can freely move about (correct)

How are particles arranged in solids?

<p>Tightly packed with no scope to move around</p> Signup and view all the answers

What does the chemical formula of Hydrogen Peroxide indicate?

<p>2 atoms of Hydrogen combined with 2 atoms of oxygen</p> Signup and view all the answers

Study Notes

Mixtures in Chemistry

A mixture is a blend of two or more substances, where each substance maintains its chemical properties and can be separated by physical means.

Chemical Formulae

The chemical formula of water (H2O) indicates that one molecule of water consists of two hydrogen atoms and one oxygen atom.
The chemical formula of Hydrogen Peroxide (H2O2) indicates that one molecule of Hydrogen Peroxide consists of two hydrogen atoms and two oxygen atoms.

Particle Arrangement

In gases, particles are arranged randomly and have a lot of space between them, making them highly compressible.
In solids, particles are closely packed and arranged in a fixed position, making them incompressible.

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Description

Test your knowledge on the topic of matter with this quiz on "Is Matter Around Us Pure". Review the key concepts from CBSE Class 9 Science Notes Chapter 2 and check your understanding of particle arrangement in different states of matter. Download the PDF for comprehensive study material.