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What is the word that means a simple substance that cannot be broken down into other substances by chemical means?
element
A change in which substances change into new substances that is not reversible?
A chemical change. This involves the formation of new substances with different properties from the original substances. Unlike physical changes, chemical changes are typically not reversible by simple physical means.
Material that cannot be broken down into other materials is?
molecule
What do you call simple bodies which enter originally into the composition of mixtures?
The simple bodies that enter originally into the composition of mixtures are called elements. Elements are substances that cannot be broken down into simpler substances by chemical means and are the building blocks of all matter.
Are compounds the simplest type of substances and cannot be broken down into any other substances?
No: Compounds are simple mixtures of substances
What is it when 2 simple substances combine to form a new more complex substance?
This process is called a chemical reaction, where two simple substances (reactants) combine to form a new, more complex substance (product). Chemical bonds are broken and new bonds are formed during this process.
What do you call the chemical combination of simple substances?
I think a compound.
What is the process of breaking downfood into simple substances called?
chemical digestion
Is mixing baking soda and vinegar a chemical or physical change?
Mixing flour and baking soda is a physical change; the process of mixing them together does not in itself cause them to change into any other chemical. However, when the pastry is baked, then there will be chemical changes.
Have iron and sulfur undergone change in properties after mixing?
No. Making mixtures are physical changes and the chemical substances will not change.
A chemical combination of simple substances is called an?
A chemical combination of simple substances is called a compound. Compounds are formed when two or more elements chemically bond together in specific ratios. They can be simple, like water (H2O), or complex, like DNA.
Which is easier to reverse chemical or a physical change?
Physical changes are generally easier to reverse than chemical changes. Physical changes involve a change in state or appearance without altering the chemical composition of a substance, so reversing the change often involves a simple process like melting, freezing, or evaporating. In contrast, chemical changes involve the formation of entirely new substances with different chemical properties, making them more challenging to reverse.
