EASY
8th ICSE
IMPORTANT
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Chemical changes cannot be reversed by simple methods.
 

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Important Questions on Physical and Chemical Changes

EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q B
A new product formed during a chemical change is completely different from the original substance in respect of _____ and properties.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q C
Physical changes are permanent and cannot be reversed. 
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q C
Chemical changes involves significant energy changes.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q C
Products formed in a chemical reaction has same properties as that of the reactants.
MEDIUM
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q C
Sublimation of camphor is an example of a physical change.
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the process of phase transition from solid to gas without entering in the liquid phase.
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the substances that react in a chemical reaction. (Product/ Reactant)
EASY
8th ICSE
IMPORTANT
Its All About Science - Chemistry>Chapter 2 - Physical and Chemical Changes>Exercise>Q D
Give one word for the substances formed during a chemical reaction.