Fill in the blank with the letter of the term that best matches the situation. Matching Terms: A. Vanables B. Analysis C. Experimental group (warmer or colder than body temperature D. Conclusion E. Data collected F. Controlled conditions G. Preliminary observation H. Control (closest to body temperature) 1. Hypothesis J. Question​

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

explanation:

0.07 g/cm³

1.37 g/cm³

5.6⋅10−^19  j

do you need the explaination?