If a new substance is not produced, what type of change has occurred?
A) Physical change
B) Chemical change
C) Compounded change
D) Composition change
Answer: A
Explanation: A) Correct. A new substance is not produced with a physical change.
B) Incorrect. A new substance is produced with a chemical change.
C) Incorrect. A new substance is not produced with a physical change.
D) Incorrect. A new substance is not produced with a physical change.
You might also like to view...
According to 694.30 (A) turbine output circuits over 30 volts that are installed in readily accessible locations systems must be installed in ____.
a. enclosures b. nacelles c. raceways d. housings
A pocket knife can be used to deburr _____.
a. RMC b. IMC c. PVC d. EMT
There are more variables to consider with concrete blocks than with clay bricks.
Answer the following statement true (T) or false (F)
The source in Fig. 12.65 is balanced and exhibits a positive phase sequence. If f = 60 Hz, use Pspice to find V??, V??, and V??.
 figure 1.png)