Multiple Choice
Which of the following is a chemical change?
A) the freezing of water to form ice
B) hammering zinc into a thin film
C) crushing of lump of sulfur into yellow powder
D) the boiling of water to form steam
E) the reaction of chlorine gas and sodium to form salt
Correct Answer:

Verified
Correct Answer:
Verified
Q1: How many litres of air are in
Q2: What is the answer to the correct
Q4: The term substance should be used for:<br>A)chemical
Q5: At what temperature will the numerical values
Q6: Choose the INCORRECT statement.<br>A)A natural law is
Q7: An elephant's bathtub is 8.0 feet long,2.5
Q8: An extensive property is:<br>A)dependent on the quantity
Q9: The following measurements were made by a
Q10: Determine the number of cm<sup>2</sup> in one
Q11: From ammonia gas,one can obtain two different