What is the smallest particle of a compound that can exist in a free state and take part in a chemical reaction known as?
A. element
B. atom
C. proton
D. molecule
Answer: D
You might also like to view...
If a manager can afford only a limited amount of soluble P fertilizer for a calcareous soil with low phosphorus availability, the best plant growth is likely to be obtained if the P fertilizer is applied ________
A) well in advance of the plant's main period of nutrient uptake B) evenly across the entire area to be fertilized and mixed thoroughly with the soil in the root zone C) in narrow bands or localized concentrations D) in combination with ground limestone E) a combination of both B and D would be best
The figure above shows a _____ fitting.
a. 45-degree ell, double line
b. 90-degree ell, double line
c. single-line flange
d. single-line pipe weld
Which of the following would NOT be considered a computer input?
A. Throttle position sensor B. Magnetic pulse generator C. Park/Neutral switch D. EGR vent solenoid
What could cause corrosion of a stainless steel ice-maker?
A) Acidic water or too much chlorine gas in the water supply B) Water with too much alkaline content C) Unfiltered water with too much air in the supply line D) Water with a pH above 7 or not enough chlorine gas in the water supply