Answered

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7. Which substance can be decomposed by a chemical change? *
a. carbon
b. boron
c. magnesium
d. methanol

8. Which substance cannot be decomposed by a chemical change? *
a. water
b. carbon
c. citric acid
d. carbon dioxide

Sagot :

Answer:

  • Question 7:

d. Methanol

[tex]{ \rm{CH _{3} OH _{(aq)} \: \dashrightarrow \:C{(s)} +H _{2} O _{(l)} }}[/tex]

  • Question 8:

b. Carbon

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