Which of the following is a chemical change?
A) Dry ice subliming
B) Limestone being crushed to powder
C) Paper being shredded
D) Sulfur burning
Correct Answer:
Verified
Q4: A chemical reaction is at equilibrium when
A)
Q5: One reactant of photosynthesis is
A) hydrogen.
B) oxygen.
C)
Q6: One product of photosynthesis is
A) hydrogen.
B) oxygen.
C)
Q7: A chemical reaction is balanced by applying
Q8: A chemical reaction generally has a great
Q10: The substances that are formed by a
Q11: Which one of the following is a
Q12: The equation H2O2 → H2O + O
Q13: Which of the following does not take
Q14: The equation 1H2SO4 → 1H2O + 4O2
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