What is the difference between concentrated and dilute acid ?

Hint: To solve this be first know about:
Acid: Any substance that changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with specific metals (e.g., iron) to liberate hydrogen, reacts with bases to produce salts, and encourages certain chemical reactions in a water solution (acid catalysis).
The power of acid depends on their chemical properties and type of ion which they can realize after reading the solution.

Complete answer: A solution is a homogenous mixture of two or more components with particles less than one nanometer in size. Soda water, sugar and water solution, and salt and water solution are other examples.
Solution concentration
The concentration of a solution refers to the amount of solute in a specific solution.
In solutions, the proportions of solute and solvent are not equal. A solution can be, depending on the percentage of solute,
-Dilute solution
-Concentrated solution
-Saturated solution
Because they lack quantitative precision, the terms dilute solution and concentrated solution are ambiguous. The major distinction between a dilute solution and a concentrated solution is that the former contains less solute while the latter includes more.



Note:
A base is any material that is slippery to the touch in a water solution, tastes bitter, alters the colour of indicators (e.g., turns red litmus paper blue), combines with acids to produce salts, and promotes specific chemical reactions (base catalysis). Hydroxides of alkali and alkaline earth metals (sodium, calcium, etc.) and aqueous solutions of ammonia or its organic compounds are examples of bases (amines). In aqueous solutions, such compounds create hydroxide ions (OH-).