Multiple Choice
Which one of the following statements is not correct?
A) Helium is an element.
B) Table salt (sodium chloride) is a compound.
C) Water is a pure substance.
D) Air is a solution.
E) Elements occur only in the form of individual atoms.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which of the following is the most
Q2: Which of the following is an element?<br>A)Cl<sub>2</sub><br>B)H<sub>2</sub>O<br>C)NaCl<br>D)MgO<br>E)HCl
Q3: Which one of the following is not
Q5: Which represents an intensive property?<br>A)Hydrogen gas has
Q6: An element _<br>A)can be separated into its
Q7: Molecules are represented in various ways. Which
Q8: Which of the following does not represent
Q9: The following measurements of the mass of
Q10: Which one of the following statements is
Q11: A solid forming a liquid is called