During chemistry lab, Mrs. Black's students placed an antacid tablet in a zip lock bag. They recorded the mass of the tablet in the bag. Then they carefully added 50 grams of water and quickly sealed the bag. The tablet began to fizz and soon disappeared. The bag was filled with gas and it felt cold to the touch.
What type of change occurred in the bag and how can you support your answer?
A) It is a physical change because the tablet dissolved.
B) It is a physical change as evidenced by change in temperature.
Eliminate
C) It is a chemical change due to the change in temperature and gas production.
D) It is a chemical change because the tablet dissolved and the temperature of the liquid dropped.
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