Question
Cutting of paper is reversible, but the burning of paper is a/an:
- Physical change
- Chemical change
- Irreversible change
- Slow change
Hint:
Irreversible
The correct answer is: Irreversible change
burning of paper is an irreversible reaction.
Related Questions to study
Which of the following is the example of fast reactions?
all the given pictures are an example of fast reactions.
Which of the following is the example of fast reactions?
all the given pictures are an example of fast reactions.
The image in the following defines what type of change?
Blowing of candles is a fast change.
The image in the following defines what type of change?
Blowing of candles is a fast change.
Chemical change is a change where a __________ substance is formed.
A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.
Chemical change is a change where a __________ substance is formed.
A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.
Match the following:
melting of ice-cream is a physical change.
Burning of paper is an irreversible change.
Baking of cookies is a chemical change.
Hair growth is a slow change.
Match the following:
melting of ice-cream is a physical change.
Burning of paper is an irreversible change.
Baking of cookies is a chemical change.
Hair growth is a slow change.
Which one of the following is not an example of chemical change:
it is a physical reaction as it is reversible.
Which one of the following is not an example of chemical change:
it is a physical reaction as it is reversible.
The substance which undergoes changes and a new substance is formed is known as:
Cbemical changes occur when a new substance combines with another to form a new substance.
The substance which undergoes changes and a new substance is formed is known as:
Cbemical changes occur when a new substance combines with another to form a new substance.
Match the following:
| (1) Cutting of paper | (a) Physical Change |
| (2) Curdling of milk | (b) Chemical change |
| (3) Burning of tree | |
| (4) Boiling of water | |
| (5) Rusting of iron |
cutting of paper andboiling of water are physical changes as no new substance is formed.
Match the following:
| (1) Cutting of paper | (a) Physical Change |
| (2) Curdling of milk | (b) Chemical change |
| (3) Burning of tree | |
| (4) Boiling of water | |
| (5) Rusting of iron |
cutting of paper andboiling of water are physical changes as no new substance is formed.
The following picture defines which one of the following changes?
As digestion is irreversible hence, it is a chemical change.
The following picture defines which one of the following changes?
As digestion is irreversible hence, it is a chemical change.
Which one of the following is an example of physical change?
others are irreversible changes whereas, it is reversible.
Which one of the following is an example of physical change?
others are irreversible changes whereas, it is reversible.
Chemical change is also called as:
A process in which one or more substances, the reactants, are converted to one or more different substances, the products, is known as chemical reaction.
Hence, chemical change is also known as chemical reaction.
Chemical change is also called as:
A process in which one or more substances, the reactants, are converted to one or more different substances, the products, is known as chemical reaction.
Hence, chemical change is also known as chemical reaction.
The substances in which they undergo changes and form two or more new substances is known as:
Chemical changes are permanent changes in which new substance is formed.
Chemical changes occur when a substance combines with another to form a new substance.
The substances in which they undergo changes and form two or more new substances is known as:
Chemical changes are permanent changes in which new substance is formed.
Chemical changes occur when a substance combines with another to form a new substance.
The substances in which there is a change in shape, size, and color is known as:
a physical change is a change in one or more physical properties of matter without any change in chemical properties.
Physical changes are changes in the size, shape, state, or appearance of matter.
The substances in which there is a change in shape, size, and color is known as:
a physical change is a change in one or more physical properties of matter without any change in chemical properties.
Physical changes are changes in the size, shape, state, or appearance of matter.
The change in which where no new substances are formed:
physical changes are changes in the physical properties of substances.
No new substances are formed in these changes.
The change in which where no new substances are formed:
physical changes are changes in the physical properties of substances.
No new substances are formed in these changes.
