Class 8 Science - Questions & Answers CBSE ICSE
Which of the following statements give correct explanation for the concept of physical change of a substance?
The representation of a chemical reaction using symbols and formulas of the substances is called __________.
In the below pictures, What change can you observe?
Raw Carrots, Beans
Cooked Carrots, Beans
Into what changes can these processes be categorized?
A. Milk --> Curd
B. Milk --> Paneer
__________ of any substance is a chemical reaction.
Chemical changes are characterized by ______
A chemical change occurs when the _____ rearrange themselves.
Iron when alloyed with chromium and nickel forms _______ .
Electroplating is done by using _______.
Take a beaker and mix green color powder in little water. Heat the solution. Water evaporates leaving the green color behind. Can you name this change?
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