Which squares contain mixtures? 
A) II and III only
B) III and IV only
C) I,III,and IV only
D) I and IV only
Correct Answer:
Verified
Q11: Which substance is an element?
A)NO2
B)NaCl
C)N2
D)CH4
Q12: The quantity 8.7 × 105 g expressed
Q13: Which symbols represent only elements that are
Q14: A substance that can be broken down
Q15: Which diagram(s) best represent(s) only diatomic molecules?
Q17: Which differentiates a compound from a mixture
Q18: Which of the following is the chemical
Q19: Which is not a mixture?
A)A jar filled
Q20: The most numerous of the elements are
Q21: Which corresponds to the composition of the
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