B - The reactants are the starting substances and the products are the end substances.
physical change
particles retain there composition and identity
there is no change in there chemical properties of the substance
the chemical changes should be the other two.
If it is wrong I'm truly sorry.
An organic compound that contains a carbonyl group with a hydroxyl group attached to it is an example of a (d) carboxylic acid.
Answer:
i am so sorry. i do not have a answer but i am trying to find questioms i can answer
