Question

what are catalyst? Name few for examples. What is dillution?​

Answer 1

Answer:

Substances which alter the rate of a chemical reaction and themselves remain chemically and quantitatively unchanged after the reaction are known as catalysts,and the phenomenon is known as catalysis...

Eg.ZnO,Cr2O3,Pt/Rh,V2O5

Dilution is the process of making a concentrated solution into dilute or decreasing concentration by adding water or other bases is called dilution

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Answer 2

Answer:

catalyst are used in reactions which regulates it(increases or decreases).

example for catalyst Nickel(Ni)

adding a water into acid or base decrease it's concentration of ions(H+/oh-) called as a dilution

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