Reversible and Irreversible Change
Trending Questions
What are physical change and chemical change give two example?
Which of the following changes is a chemical change?
Melting of an ice cube
Shredding a sheet of paper into bits
Dissolution of sugar in water
Formation of curd from milk
Composition of matter changes in a ____________ (physical/chemical) change.
Which of the following is NOT a feature of a physical change?
It is reversible
It is temporary
No new substance is formed
The composition of the substance changes
Is Melting Of Ice A Reversible Change?
- True
- False
State whether the following statement is true or false.
Melting of ice is a chemical change.
- True
- False
5. A change that cannot be reversed is called ________ change.
Which of the following changes is/are a chemical change?
Formation of curd from milk
Dissolution of sugar in water
Shredding a sheet of paper into bits
Cooking of food
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
5. Write reasons to keep vegetables and fruits in a refrigerator.
Reversible change refers to -
Change that can be undone
Change that cannot be undone
Change in which shape and size is changed
Change in which new substance is formed
- Change of seasons
- Making of sweater from wool
- Making of paper from wood
- Falling of leaves
- periodic
- natural
- physical
- chemical
Melting of ice cream is a
- reversible
- irreversible
- Permanent
Following figure shows
Reversible change.
Irreversible change
Both reversible and irreversible.
No change is happening
Making stars by cutting it out from paper is a reversible change.
- False
- True
Bharath heated a closed vessel full of water. After some time he observed that the water started boiling. After some time there is no water inside the vessel. This is a/an____.
Reversible change
Irreversible change
Chemical change
Cannot be determined
(a) chemical changes
(b) physical change
(c) periodic change
(d) irreversible change
State True or False:
Making stars by cutting it out from paper is a reversible change.
- False
- True
The general day to day activities of a primary school going teen named Swami are mentioned below.
1. To walk through a waterlogged area, Swami shortens the length of his dress by folding it.
2. In school, he drew an apple in his slate with chalk.
3. After school, he came directly came back to his home and started playing with his new toy but accidently it broke.
4. At night, his mother cooked food for him. He ate and went to bed.
Connect the above excerpts to reversible or irreversible change.
Reversible change - 1, 2, 3, 4; Irreversible change - NA
- Reversible change - 3, 4; Irreversible change - 1, 2
Reversible change - NA; Irreversible change - 1, 2, 3, 4
Reversible change - 1, 2; Irreversible change - 3, 4
List the characteristics of a physical change.
Bharath heated a closed vessel full of water. After some time he observed that the water started boiling and after some more time there was no water in the vessel. This is an example of
1. Balloons inflated by children
2. Crops harvested by farmers
Which of these is/are examples of reversible(s) changes?
Both observation 1 and observation 2 are irrerversible changes
Both observation 1 and observation 2 are reversible changes
Only observation 1 is a reversible change
Only observation 2 is a reversible change
The following figure shows a/an _____________________ change.
No change is happening.
Irreversible
Both reversible and irreversible
Reversible
Growing of moustache over a boy's face is a reversible change. State if the statement is True/False.
True
False
