Write the acidbase reactions for the following diprotic acids: oxalic acid h2c2o4 malonic acid h2c3h2o4 maleic acid h2c4h2o4 malic acid h2c4h4o5 tartaric acid h2c4h4o6

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

the right answer is c i just did the question.