Practice Questions for Physical and Chemical Changes Science Class 8
In the below pictures, What change can you observe?
Raw Carrots, Beans
Cooked Carrots, Beans
A chemical change occurs when chalk powder (calcium carbonate) is heated. The chemical reaction that occurs is represented by the chemical word equation given below.
In the following equation, which is the reactant?
Which one of the following is an example of a physical change?
In combination reactions, __________.
Three different substances were taken and tested with litmus paper. The results are given below.
What could be the substance Z?
Electric Current and its Effects
Light and Reflection
Structure of Matter
Acids, Bases and Salts
The Air Around Us
Where does Food Come From?
What are the Components of Food?
Properties of Magnets
Motion and Measurement of Distances
Electricity in Daily Life
Changes Around us
Sorting and Classifying Things
Separation of Substances
Fibres, Fabric and Clothing
Lights, Shadows and Reflection
Living Organisms and their Surroundings
The World Around us
Parts and Functions of Plants
Parts and Functions of Animals