Advertisements
Advertisements
प्रश्न
What type of energy changes is associated when ice melts?
Advertisements
उत्तर
- Physical change
- Endothermic (heat energy is absorbed)
APPEARS IN
संबंधित प्रश्न
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
Chemical changes are accompanied by changes in energy.
Write short answer.
Give two examples of periodic changes
State whether the following is physical or chemical changes.
Slaking of lime —
Give two examples of periodic changes.
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Which of the following are physical changes and which are chemical changes ?
Classify the following as a physical or a chemical change.
Burning of paper
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Name the following.
A form of energy required for a chemical change.
