Answer:
A
Explanation:
All carbohydrates no matter how small are made of carbon,hydrogen and oxygen
Answer:
1. A pure substance has a definite constant composition.
2. A compound is composed of two or more types of matter that can be present in varying amounts.
3. A solution is a homogeneous mixture.
4. A mixture that is not uniform throughout is a Heterogeneous mixture
5. A pure substance that cannot be broken down chemically is a element.
6. A characteristic of matter that’s not associated with a change in its chemical composition is known as a physical property.
7. Wax melting is an example of a physical change in the state of matter.
8. A banana peel turning brown is an example of a chemical change in the state of matter.
The answer is Definitely going to be imprinting
More than 1 million atoms lined up side by side would equal the thickness of a book page. The modern atomic theory was proposed in 1803 by English chemist John Dalton. His premise is based on the fact that all elements are composed of atoms. An atom is defined as the smallest part of an element. It also keeps the identity of the element. Individual atoms are very small. Most elements in their pure form exist as individual atoms. Some elements are made up of groups of atoms.
Answer:
irreversible chemical change
Explanation:
A chemical change always results in a new substance and as it is not possible to reverse it, it is an irreversible chemical change.
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