Dozen = 12,
ii. 1 score = 20
iii. 1 ream = 500
iv. 1 gross = 1.44
Answer:
The answer to your question is below
Explanation:
Carboxyl group is the characteristic group of carboxylic acids.
It is composed by 1 atom of carbon, 2 atoms of oxygen and 1 atom of hydrogen.
Its structure is - COOH
Well if the change is reversible then it is a physical change, but if not then it is a chemical change.
