Question

What type of reaction does this equation represent?
equation in comment section

Answer 1

\[21_{4}0_{9}\rightarrow4I _{2}(s)+90_{2}(g)\]

Answer choices:
A. combination
B. decomposition
C. single-replacement
D. double- replacement

Answer 2

@Missiey

Answer 3

i think it B but i wouldnt trust my answers im terrible at chem

Answer 4

me too but lets try it ;.;

Answer 5

and you sir got it right :3

Answer 6

An unknown metal displaces aluminum (Al) from solution but does not displace sodium (Na). Using the activity series, determine the unknown metal.

A.calcium (Ca)
B. zinc (Zn)
C. manganese (Mn)
D. magnesium (Mg)

Answer 7

@Missiey

Answer 8

I think a