1. Observe the following changes and mention the type of change in shape, size, color of state.
Name of items How item changed
1. Ripening of fruit
2. Burning of candle
3. Kneading flour
4. Souring of milk
5. Moulding clay

Open in App

Solution

A physical change occurs when the physical properties of a substance are changed and no new substance is formed. Generally, in a physical change, the substance can be obtained to its original state.
A chemical change occurs when the chemical properties of a substance are changed and a new substance is formed. In a chemical change, substance cannot be obtained to its original state.
Name of items Type of change How item changed
1. Ripening of fruit Chemical change Change in color
2. Burning of candle Chemical change Change in chemical composition
3. Kneading flour Physical Change in shape
4. Souring of milk Chemical Change in taste (production of sour tasting lactic acid)
5. Moulding clay Physical Change in shape and size

Suggest Corrections

Similar questions

Question 4

While lighting a candle, Paheli observed the following changes:
(1) Wax was melting.
(2) Candle was burning.
(3) Size of the candle was reducing
(4) Melted wax was getting solidified.

Of the above, the changes that can be reversed are

Q. Fit the given words correctly in the given blanks.
state, shape, and composition.

1) Moulding of clay involves change in_______.
2) Burning of wood involves change in_______.
3) Melting of ice involves change in________.

Q. Burning of a matchstick
Changing of seasons
Souring of milk
Digestion of food
Blinking of eyes
Melting of ice
Cooking of food
Growing of seedling
Ploughing of field
Ripening of fruits
Reversible changes or irreversible changes??

Some changes are listed in the following table. For each change, write in the blank column whether the change can be reversed or not.

S. No.	Change	Can be reversed (Yes/No)
1.	Sawing of a piece of wood	-
2.	Melting of ice candy	-
3.	Dissolving sugar in water	-
4.	Cooking food	-
5.	Ripening of a mango	-
6.	Souring of milk	-

Q. Is kneading of water and flour into dough a chemical change or physical change?

Join BYJU'S Learning Program

Name of items	How item changed
1. Ripening of fruit
2. Burning of candle
3. Kneading flour
4. Souring of milk
5. Moulding clay

Name of items	Type of change	How item changed
1. Ripening of fruit	Chemical change	Change in color
2. Burning of candle	Chemical change	Change in chemical composition
3. Kneading flour	Physical	Change in shape
4. Souring of milk	Chemical	Change in taste (production of sour tasting lactic acid)
5. Moulding clay	Physical	Change in shape and size

1. Observe the following changes and mention the type of change in shape, size, color of state.Name of itemsHow item changed1. Ripening of fruit 2. Burning of candle 3. Kneading flour 4. Souring of milk 5. Moulding clay

1. Observe the following changes and mention the type of change in shape, size, color of state.
Name of items How item changed
1. Ripening of fruit
2. Burning of candle
3. Kneading flour
4. Souring of milk
5. Moulding clay