Explain the meaning of the term matter with special reference to the terms 'substance'.

Important Questions on Matter & Its Composition

EASY

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 2

Name the three states of matter. On what basis are the three states classified.

MEDIUM

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 3

Each of the three states of matter has mass. Explain with the help of simple experiments - that each state of matter has mass.

MEDIUM

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 4

A measuring cylinder is filled with water to a particular mark. A piece of solid is immersed inside the measuring cylinder. State why the level of water in the measuring cylinder will rise up. If the solid is removed, what will be the new level of the water in the measuring cylinder? Give a reason for your answer.

MEDIUM

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 5

A glass beaker is half-filled with water and an empty glass tumbler is inverted lowered inside the glass beaker. State your observations on tilting the tumbler below the level of the water in the glass beaker. Give a reason for your answer.

HARD

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 6

Differentiate the general properties of solids, liquids gases in the form of a table
with reference to – (i): mass (ii): space, (iii): volume, (iv): shape, (v): compressibility, (vi): density, (vii): free surfaces, (viii): diffusion.

MEDIUM

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 7

State in which of the three states of matter are the atoms or particles far apart.

MEDIUM

7th ICSE

IMPORTANT

Simplified Chemistry>Chapter 1 - Matter & Its Composition>EXERCISE>Q 7

State in which of the three states of matter the space between the particles is minimum.

MEDIUM

7th ICSE