water is known as the mixture
bnswer
a. O +O / → O₂
b. K + Cl → KCl
c. C + O → CO
d. H + F → HF
e. I + I → I₂
f. S + O + O → SO₂
g. Na + Na + S → Na₂S
h. Li + Cl → LiCl
i. Ca + Br + Br → CaBr₂
j. N + N → N₂
A
It provides a way to test a hypothesis
