Test - Chemical Reaction

Question 1

3. How many nitrate ions are represented in 2Ca(NO3)2

Answer 1

4 in page 3in packet

Question 2

33. A change in a substance that only affects its physical properties is a chemical change. T or f

Answer 2

False page 3 in notes

Question 3

34.The materials present at the beginning of a chemical reaction are called the products. F or t

Answer 3

False I’m note packet page 3

Question 4

Which of the following is not an example of a chemical change?
A. An Apple ripening
B. A temperature change in a test tube
C. Piece of wood burning
D. Iron rusting
E. All are examples from chemical change
F. None of these are examples of chemical change

Answer 4

E. All the examples of chemical change. Note book 12