Multiple Choice
Which of the following represents a physical change only?
A) steel turning to rust in salt air
B) liquid water freezing into ice cubes
C) milk turning "sour"
D) wood burning to form ashes
Correct Answer:

Verified
Correct Answer:
Verified
Q12: It is scientifically proper to construct a
Q13: Match the substances with their classification.<br>-sugar<br>A)heterogeneous mixture<br>B)element<br>C)homogeneous
Q14: Which term best completes this definition? An
Q15: Match the element with its symbol.<br>-Palladium<br>A)Po<br>B)Pd<br>C)Pt<br>D)K<br>E)Pu<br>F)Pa<br>G)P
Q16: Match the substances with their classification.<br>-sand and
Q18: Match the definition with its term<br>-Mothballs subliming<br>A)model<br>B)law<br>C)hypothesis<br>D)experiment<br>E)chemical
Q19: Match the substances with their classification.<br>-Diamond<br>A)heterogeneous mixture<br>B)element<br>C)homogeneous
Q20: Match the definition with its term<br>-Molding iron<br>A)model<br>B)law<br>C)hypothesis<br>D)experiment<br>E)chemical
Q21: Match the element with its symbol.<br>-Neodymium<br>A)N<br>B)Ne<br>C)Nd<br>D)Ni<br>E)No
Q22: Match the substances with their classification.<br>-Lemonade (without