Advertisements
Advertisements
प्रश्न
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Advertisements
उत्तर
Chemical change occurs as a result of rearrangement of atoms between two substances.
APPEARS IN
संबंधित प्रश्न
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Melting of solid (wax) is a physical change.
Classify the following changes as physical or chemical: curdling of milk
State whether the following is physical or chemical changes.
lightning —
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Write true or false
Burning of sugar is a temporary change.
Tick the most appropriate answer.
Photosynthesis requires
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
Change of seasons
