Question

Q9.the following word equations represent chemical reactions:
A, Hydrogen + oxygen + water
B, Magnesium oxide + water + magnesium hydroxide
C, Mercurial oxide + mercury + oxygen
Q9 part a, which word equation shows the formation of a compound from :
¡, two compounds
¡¡, two elements?
Part b, which word equation above shows the breaking down of a compound into simpler subtances ?

Answer 1

Answer:

b

i b

i c

b c

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