Practice Questions for Physical and Chemical Changes Science Class 8
Into what changes can these processes be categorized?
A. Milk --> Curd
B. Milk --> Paneer
Ca+ Cl CaCl2.
Identify the type of chemical reaction.
Which among the following is an antacid?
Zinc + Hydrobromic acid
When a raw aubergine/egg plant or a potato is cut and exposed to the air, the color of its surface changes. Which of the given statements explain the theory behind it?
Burning of wood is a _______ 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