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Question Bank Solutions for ICSE Class 7 - CISCE - Chemistry

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Chemistry
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 Fill in the blan

An ________ is a homogeneous mixture of two or more metals.

[0.06] Metals and Non-metals
Chapter: [0.06] Metals and Non-metals
Concept: Elements

Fill in the blank

Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.

[0.06] Metals and Non-metals
Chapter: [0.06] Metals and Non-metals
Concept: Elements

Name the technique that you use if only the solid component of a solution is required.

[0.06] Metals and Non-metals
Chapter: [0.06] Metals and Non-metals
Concept: Elements

Define matter.

[0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Chapter: [0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Concept: Matter (Substance)

Define matter.

[0.01] Matter and Its Composition
Chapter: [0.01] Matter and Its Composition
Concept: Matter (Substance)

What is the difference between mass and weight?

[0.01] Matter and Its Composition
Chapter: [0.01] Matter and Its Composition
Concept: Matter (Substance)

What is the difference between mass and weight?

[0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Chapter: [0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Concept: Matter (Substance)

Differentiate between an atom and a molecule.

[0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Chapter: [0.03] Elements, Compounds and Mixtures (Experimental Techniques)
Concept: Matter (Substance)

Differentiate between an atom and a molecule.

[0.01] Matter and Its Composition
Chapter: [0.01] Matter and Its Composition
Concept: Matter (Substance)

What do you observe when :

a piece of paper is burnt

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

What do you observe when :

solid ammonium chloride is heated

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

What do you observe when :

a spoon of sugar is heated in a pan

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

Fill in the blank

Burning of fuel is a _______ change.

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

State whether the following is physical or chemical changes.

burning of wood -

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

State whether the following is physical or chemical changes.

passing electric current through a heater rod —

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

State whether the following is physical or chemical changes.

Melting of wax —

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

State whether the following is physical or chemical changes.

Boiling of an egg — 

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

Tick (√) the correct alternative from the choice given for the following statement

Burning is a

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

Tick (√) the correct alternative from the choice given for the following statement

When sugar is heated, its colour changes into 

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

True or false?

During a physical change energy is either given out or absorbed by the system. 

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