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Question Bank Solutions for ICSE Class 8 - CISCE - Chemistry

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Define of matter.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

Define of intermolecular force of attraction.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

What are the three states of matter ? Define each of them with two examples.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

State the main postulates of kinetic theory of matter.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

What happens to water if it is kept in a deep freezer.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

 Tick the most appropriate answer

2. Melting of ice is a

  1. reversible change
  2. irreversible change
  3. chemical change
  4. none of these
[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Choose the most appropriate answer.
Rising and setting of the sun at a given place is a

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Tick the most appropriate answer.

3. Physical changes are

  1. permanent.
  2. periodic,
  3. temporary
  4. irreversible.
[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Tick the most appropriate answer.

4. Chemical changes involve

  1. change in shape.
  2. change in size.
  3. change in molecular composition.
  4. none of these
[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

 Tick the most appropriate answer.

5. Photosynthesis requires

  1. heat energy.
  2. wind energy
  3. sunlight.
  4. sound energy
[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Fill in the blank

change in which the substance can be brought back to its original state is called a ............... change.

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

 Fill in the blank.

Changes that occur in nature are called ........................

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Fill in the blank.

An earthquake is a .................. change.

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Fill in the blank.

A new substance is formed in a ............... change.

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Fill in the blank.

Heat is .................... by a gas during the process of condensation.

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

Define of  Diffusion.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

Define of  Brownian motion.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

Define matter.

[0.01] Matter
Chapter: [0.01] Matter
Concept: Main Postulates of Kinetic Molecular Theory of Matter

Match the columns

           column A                coulmn B 
1. A change which cannot be  easily reversed  a. man-made change 
2.A change that repeats itself at  regular  intervals b. chemical change 
3. A change that is made by humans  c. physical change 

4. A change in which the original substance cannot  be obtained 

d. periodic change 

5. A change where no  new substance is formade  e. irreversible change 
  f. slow change
[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes

 Write true or false for the statement.

Burning of paper and formation of curd are reversible changes

 

[0.02] Physical and Chemical Changes
Chapter: [0.02] Physical and Chemical Changes
Concept: Concept of Physical Changes
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Question Bank Solutions for ICSE Class 8 CISCE Chemistry. You can further filter Question Bank Solutions by subjects and topics. Solutions for most of the questions for CISCE can be found here on Shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with Shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
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