There are a few types of reactions. This type of reactions are called single displacement reactions. The reaction between water and magnesium is an example for this.
This is called a replacement reaction. When one element replaces another in a compound, it is called single replacement or single displacement. An example isZn + 2HCl ---> ZnCl2 + H2 where the zinc replaces the hydrogen in the acid to form zinc chloride.
A chemical reaction in which two elements or radicals change places with two other elements is called double replacement. It is also known as double displacement. Its general pattern can be written as AB + CD --> AD + CB
In the reaction FeS + 2HCl --> FeCl2+ H2S, the iron replaces the hydrogen and the hydrogen replaces the iron. This is two replacements, so the reaction is a double replacement reaction. (It's sometimes also called a double displacement reaction.)
It is called a Chemical reaction.
A pure substance formed by the chemical bonding of two or more elements is a compound.
It is called a "Replacement" Reaction.
It is called a single displacement reaction.
This kind of reaction is usually called a "single displacement" or :single replacement" reaction.
when one element replaces another in a compound when the reaction has occured
This is called a replacement reaction. When one element replaces another in a compound, it is called single replacement or single displacement. An example isZn + 2HCl ---> ZnCl2 + H2 where the zinc replaces the hydrogen in the acid to form zinc chloride.
A chemical reaction in which two elements or radicals change places with two other elements is called double replacement. It is also known as double displacement. Its general pattern can be written as AB + CD --> AD + CB
In the reaction FeS + 2HCl --> FeCl2+ H2S, the iron replaces the hydrogen and the hydrogen replaces the iron. This is two replacements, so the reaction is a double replacement reaction. (It's sometimes also called a double displacement reaction.)
a reaction
A chemical reaction.
It is called a Chemical reaction.
A pure substance formed by the chemical bonding of two or more elements is a compound.
cation