Question

if there is 8 g of a substance before a physical change, how much will there be afterwards?
○ 0 g
○ 4 g
○ 8 g
○ 16 g

Explanation:

In a physical change, the mass of a substance is conserved, meaning it remains the same. So if there was 8 g before the physical change, there will still be 8 g after.

Answer:

C. 8 g