Advertisements
Advertisements
प्रश्न
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Advertisements
उत्तर
Examples of irreversible changes.
- Milk into curd
- Burning of wood
- Ripening of fruits
- Digestion of food
APPEARS IN
संबंधित प्रश्न
Short Answer Type Question:
What is a chemical change? Explain with example.
Short Answer Type Question:
What happens when sugar is heated?
Long Answer Type Question:
How does curd being set? Is this change reversible?
Differentiate reversible and irreversible changes.
Formation of curd from milk is
What are reversible changes?
What are irreversible changes?
Tearing of paper is said to be a change that cannot be reversed. What about paper recycling?
Paheli mixed flour and water and
- made a dough,
- rolled the dough to make a chapati,
- baked the chapati on a pan,
- dried the chapati and ground it in a grinder to make powder.
Identify the changes (i) to (iv) as the changes that can be reversed or that cannot be reversed.
Choose the odd one out. Give reason for your choice.
