What is the purpose of the arrow in a chemical equation?
O A.
It indicates the direction in which the reaction occurs.
Св.
It separates the elements from the compounds.
O C.
It indicates the direction of increase in the number of molecules.
D.
It indicates the direction of heat movement in a reaction.
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A) It indicates the direction in which the reaction occurs.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

gold is my favorite solid.