Multiple Choice
Which of the following is a physical change?
A) the freezing of water to form ice
B) the burning of paper
C) the sodium metal reacts vigorously with water
D) the reaction of zinc with hydrochloric acid
E) the inability of gold to react with water
Correct Answer:

Verified
Correct Answer:
Verified
Q111: Without using a calculator,solve the following problem:
Q112: A 14-karat gold ring contains 58.3% gold
Q113: Convert 4 μm to metres.<br>A)4 × 10<sup>-9</sup>
Q114: In Europe,the volume of soda is given
Q115: An intensive property is dependent of the
Q117: Systematic errors are consequence of inherent errors
Q118: Two hundred mL of solution has a
Q119: The width,length,and height of a large,custom-made shipping
Q120: Which of the following is a physical
Q121: Gold is an example of:<br>A)a compound<br>B)an element<br>C)a