Question

10 g of a solid chemical reacts with a 10 g of a liquid chemical, the reaction bubbles and changes the color of the liquid. The colored liquid weighs 13 g, what can be concluded?

A. The gas produced from the bubbles weighed 5 g

B. The bubbles were evidence of 7 g of matter being destroyed

C. The gas produced weighed 7 g

D. The gas produced weighed 13 g

Answer 1

I don't know the exact answer

I think B. is the answer

( This is math)