Question
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 |
- 1-a, 2-a, 3-b, 4-a, 5-b
- 1-a, 2-b, 3-b, 4-a, 5-b
- 1-a, 2-b, 3-a, 4-b, 5-a
- 1-a, 2-a, 3-b, 4-b, 5-a
Hint:
1-a, 2-b, 3-b, 4-a, 5-b
The correct answer is: 1-a, 2-b, 3-b, 4-a, 5-b
cutting of paper andboiling of water are physical changes as no new substance is formed.
Related Questions to study
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.
how old r u
how old r u
Can an organism fill more than one trophic level? yes or no?
The trophic levels can be used to determine the eating habits of an organism.
Can an organism fill more than one trophic level? yes or no?
The trophic levels can be used to determine the eating habits of an organism.
Energy flow terrestrial food web would show relationships on_____.
Energy flow terrestrial food web would show relationships on_____.
In the food web diagram which two organisms are secondary consumers?
A food web is a combination of various types of food chains that results from the relationship that exists between these organisms.
In the food web diagram which two organisms are secondary consumers?
A food web is a combination of various types of food chains that results from the relationship that exists between these organisms.
In the food web above, the mouse and grasshopper are identified as
A food chain usually begins with producers and ends with consumers. In between lies, various levels of consumers that feed on each other for their survival.
In the food web above, the mouse and grasshopper are identified as
A food chain usually begins with producers and ends with consumers. In between lies, various levels of consumers that feed on each other for their survival.
In an aquarium, fish eat shrimp, and a shark eats fish. What would happen to the population of shrimp if the shark was removed from the aquarium?
The balance of the ecosystem is dependent on all biotic and abiotic sources. One cannot survive without the other. If a particular population declines, it affects the whole ecosystem.
In an aquarium, fish eat shrimp, and a shark eats fish. What would happen to the population of shrimp if the shark was removed from the aquarium?
The balance of the ecosystem is dependent on all biotic and abiotic sources. One cannot survive without the other. If a particular population declines, it affects the whole ecosystem.
