Characteristics of Physical and Chemical Change
Trending Questions
The burning of paper is a physical change.
True
False
what will happen if an inflated balloon is brought near a lighted bulb? Why? Is it a physical change or a chemical change?
Classify the following as physical and chemical changes:
(i) Making sugar solution
(ii) Cooking chicken
(iii) Formation of clouds
(iv) Making ice candy
Physical change - (i), (ii), (iii); chemical change - (iv)
Physical change - (i), (iii), (iv); chemical change - (ii)
Physical change - (i), (ii); chemical change - (iii), (iv)
Physical change - (i), (iii); chemical change - (ii), (iv)
Observe the venn diagram given below.
Which of the following process could 'X' be?
The rusting of iron
Milk changing to curd
The burning of wood
The melting of wax
Bursting of a firecracker is a_________ change(slow /fast)
Classify the following change as physical or chemical:
Separating cream from milk.
A glass bottle falls on a hard floor and shatters into pieces. Is it physical or a chemical change?
Which of the following are not physical changes?
Melting of ice
Burning of candle
Electrolysis of water
Evaporation of water
5) Classify the following changes as physical and chemical change
g) Formation of sugar solution
1) A change that takes place on its own without actions by humans is called a _______ 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 is no water in the vessel. This is an example of:
Reversible change
Physical change
Chemical change
Irreversible change
Which of the following changes can be generally reversed?
Physical change
Chemical change
Either a or b
None of these
What are the different ways in which you can classify changes
- Melting chocolate
- Cooking chicken
- Formation of clouds
- Making ice candy
- Formation of curd from milk
- Dissolution of sugar in water
- Melting of an ice cube
- Cutting of paper into bits
- False
- True
Which of the following can be categorised as both chemical and physical change?
Formation of curd from milk.
Melting of wax in a candle.
Both melting of wax and formation of curd from milk.
None of these
When we burn a candle, which of the following changes occur?
Physical Change
Chemical Change
Both Physical and Chemical
None of these
Which of the following are natural chemical changes?
- Respiration
- Photosynthesis
- Explosion of fire works
- Combustion of fuels
- Melting of ice
- Burning of wood
- Clouds formation
- Rusting of iron
- Melting of wax
- Tearing of paper
- Boiling of water
- Cooling of water
- True
- False
