ICSE Class 7CISCE
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Question Bank Solutions for ICSE Class 7 - CISCE - Chemistry

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Define matter.

[1] Matter and Its Composition
Chapter: [1] Matter and Its Composition
Concept: Definition of Matter

(a) Define:
(i) a physical change
(ii) a chemical change
(b) Give two examples for each of the above two changes.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

What is the difference between mass and weight.

[1] Matter and Its Composition
Chapter: [1] Matter and Its Composition
Concept: Definition of Matter

What are reversible and irreversible changes ? Give one example for each.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Is burning a physical change or a chemical change? Why?

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

State three differences between evaporation and boiling

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

If an object weighs 6 N on earth what will be its weight on moon. What will be the change in its mass?

[1] Matter and Its Composition
Chapter: [1] Matter and Its Composition
Concept: Definition of Matter

Differentiate between an atom and a molecule.

[1] Matter and Its Composition
Chapter: [1] Matter and Its Composition
Concept: Definition of Matter

Fill in the blank

Revolution of the earth around the sun is a ................. change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

State whether the following are physical or chemical changes.

glowing of a bulb -

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Write true or false

Cutting of paper into pieces is a chemical change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Write true or false

Rusting of iron is a chemical change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Write true or false 

Earthquake is a desirable change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Write true or false 

Melting of ice is a physical change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Write true or false 

Burning of sugar is a temporary change.

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Tick (√) the correct alternative

A substance which can not sublime is

  1. iodine
  2. camphor
  3. sugar
  4. dry ice
[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Tick (√) the correct alternative

The compound rust is a hydrated oxide of

  1. copper
  2. aluminium
  3. iron
  4. gold

 

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

Tick (√) the correct alternative

A pop sound is heard when a lighted match stick is brought
near the mouth of a jar. This indicates the release of gas.

  1. oxygen
  2. hydrogen
  3. nitrogen
  4. water-vapour
[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

True or false 

Is melting of ice a reversible change ?

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes

True or false 

Change of seasons is a non-periodic change. 

[2] Physical and Chemical Changes
Chapter: [2] Physical and Chemical Changes
Concept: Concept of Physical and Chemical Changes
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Question Bank Solutions for ICSE Class 7 CISCE Chemistry. You can further filter Question Bank Solutions by subjects and chapters. 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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