The answer would be soluble. Think of it like salt. On it's own it is the white substance that you can see, but when you put it in water and stir it disappears. It is still there, but the physical appearance has changed. Also being explosive, flammable, and reactive are all chemical properties. Hope this helped!
the answer is d hope this helps
Answer:
B
Explanation:
It's B because the first trial of an experiment may not always be right so you want to run multiple trials
Is 2.0 x 10 to the -9th power an option
