human
Question: A chemist observed bubbling and fizzing after adding an acid solution to a white powdery substance in a beaker. Which of the following can be inferred?

Choices:
A) The acid boiled when poured into the beaker.
B) The acid and powder formed a new product.
C) A physical reaction produced a gas mixture.
D) A reaction occurred that produced heat.
gpt
The correct answer is 1: The acid and powder formed a new product..