Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
The occurrence of lightning.
उत्तर
Occurance of lightening is a CHEMICAL change, energy is produced, a new substance with new properties is produced.
APPEARS IN
संबंधित प्रश्न
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
What are man-made changes ?
Classify the following as a physical or a chemical change.
Boiling of water
State whether the following statement is true or false. If false write the correct statement.
Melting of butter and wax are examples of chemical changes.
Select the chemical changes from the following list of changes
Boiling of milk.
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Digestion of food is a physical change.
Stretching gold coin into a ring is a ______ change.
If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.
Do you think rust is different from iron?
