Advertisements
Advertisements
प्रश्न
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
उत्तर
Wax [CxHy]
APPEARS IN
संबंधित प्रश्न
A physical change is temporary. Explain.
What are reversible and irreversible changes ? Give one example for each.
Is burning a physical change or a chemical change? Why?
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Which of the following are physical changes and which are chemical changes ?
Freezing of water
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Fill in the blank.
The process of a liquid changing into a solid is called ________
Distinguish between the following.
Physical change and chemical change
Give a reason why – Rusting of iron is a chemical change but, the magnetization of iron is a physical change.
