An example of a chemical compound is
A) silver, Ag.
B) helium gas, He.
C) carbon dioxide gas, CO2.
D) mercury metal, Hg.
E) hydrogen gas, H2.
Correct Answer:
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Q3: Which of the following is false?
A)Theories can
Q4: Which of the following gives the best
Q5: An example of an element is
A)glucose, C6H12O6.
B)table
Q6: An example of an element is
A)tin metal,
Q7: An example of a chemical compound is
A)iron
Q9: The two types of pure substances are
A)compounds
Q10: Which is an example of a chemical
Q11: Which is an example of a physical
Q12: Which is an example of a chemical
Q13: Which is an example of a physical
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